22502013021145 has 24 divisors (see below), whose sum is σ = 31716497018304. Its totient is φ = 15012926030016.

The previous prime is 22502013021127. The next prime is 22502013021161. The reversal of 22502013021145 is 54112031020522.

It is a happy number.

It is not a de Polignac number, because 22502013021145 - 2²⁵ = 22501979466713 is a prime.

It is a super-2 number, since 2×22502013021145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234763867 + ... + 234859696.

It is an arithmetic number, because the mean of its divisors is an integer number (1321520709096).

Almost surely, 2^{22502013021145} is an apocalyptic number.

It is an amenable number.

22502013021145 is a deficient number, since it is larger than the sum of its proper divisors (9214483997159).

22502013021145 is an equidigital number, since it uses as much as digits as its factorization.

22502013021145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469623649 (or 469623612 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22502013021145 its reverse (54112031020522), we get a palindrome (76614044041667).

The spelling of 22502013021145 in words is "twenty-two trillion, five hundred two billion, thirteen million, twenty-one thousand, one hundred forty-five".