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22123151022 = 2372103730571
BaseRepresentation
bin10100100110101001…
…000111111010101110
32010002210121111220210
4110212221013322232
5330302011313042
614055131523250
71412142452400
oct244651077256
963083544823
1022123151022
119422a3a895
124354bb9526
13211751020b
1410dc27ab70
15897357a9c
hex526a47eae

22123151022 has 48 divisors (see below), whose sum is σ = 51969969792. Its totient is φ = 6259523760.

The previous prime is 22123151021. The next prime is 22123151051. The reversal of 22123151022 is 22015132122.

It is a super-2 number, since 2×221231510222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22123151022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123151021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335004 + ... + 395567.

It is an arithmetic number, because the mean of its divisors is an integer number (1082707704).

Almost surely, 222123151022 is an apocalyptic number.

22123151022 is an abundant number, since it is smaller than the sum of its proper divisors (29846818770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123151022 is a wasteful number, since it uses less digits than its factorization.

22123151022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730693 (or 730686 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 22123151022 its reverse (22015132122), we get a palindrome (44138283144).

The spelling of 22123151022 in words is "twenty-two billion, one hundred twenty-three million, one hundred fifty-one thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 103 147 206 294 309 618 721 1442 2163 4326 5047 10094 15141 30282 730571 1461142 2191713 4383426 5113997 10227994 15341991 30683982 35797979 71595958 75248813 107393937 150497626 214787874 225746439 451492878 526741691 1053483382 1580225073 3160450146 3687191837 7374383674 11061575511 22123151022