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22314430021 = 136172782001
BaseRepresentation
bin10100110010000010…
…110010111001000101
32010121010112111101011
4110302002302321011
5331144443230041
614130123402221
71416654345202
oct246202627105
963533474334
1022314430021
119510a06604
1243a9083371
132148032b60
14111982cca9
158a903ce81
hex5320b2e45

22314430021 has 8 divisors (see below), whose sum is σ = 24069881304. Its totient is φ = 20564544000.

The previous prime is 22314430009. The next prime is 22314430063. The reversal of 22314430021 is 12003441322.

It can be written as a sum of positive squares in 4 ways, for example, as 68707521 + 22245722500 = 8289^2 + 149150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22314430021 - 25 = 22314429989 is a prime.

It is a super-3 number, since 3×223144300213 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22314429974 and 22314430001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22314437021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382980 + ... + 1399021.

It is an arithmetic number, because the mean of its divisors is an integer number (3008735163).

Almost surely, 222314430021 is an apocalyptic number.

It is an amenable number.

22314430021 is a deficient number, since it is larger than the sum of its proper divisors (1755451283).

22314430021 is a wasteful number, since it uses less digits than its factorization.

22314430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782631.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22314430021 its reverse (12003441322), we get a palindrome (34317871343).

The spelling of 22314430021 in words is "twenty-two billion, three hundred fourteen million, four hundred thirty thousand, twenty-one".

Divisors: 1 13 617 8021 2782001 36166013 1716494617 22314430021