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23330001222 = 23211117828289
BaseRepresentation
bin10101101110100100…
…111001000101000110
32020012220111212011100
4111232210321011012
5340234440014342
614415002520530
71454065511163
oct255644710506
966186455140
1023330001222
1199921a5250
124631206146
13227a562668
1411b467106a
15918297e4c
hex56e939146

23330001222 has 24 divisors (see below), whose sum is σ = 55143639720. Its totient is φ = 7069697280.

The previous prime is 23330001203. The next prime is 23330001223. The reversal of 23330001222 is 22210003332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23330001195 and 23330001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58913947 + ... + 58914342.

It is an arithmetic number, because the mean of its divisors is an integer number (2297651655).

Almost surely, 223330001222 is an apocalyptic number.

23330001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23330001222 is an abundant number, since it is smaller than the sum of its proper divisors (31813638498).

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

23330001222 is a wasteful number, since it uses less digits than its factorization.

23330001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117828308 (or 117828305 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23330001222 its reverse (22210003332), we get a palindrome (45540004554).

The spelling of 23330001222 in words is "twenty-three billion, three hundred thirty million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 117828289 235656578 353484867 706969734 1060454601 1296111179 2120909202 2592222358 3888333537 7776667074 11665000611 23330001222