22145111022325 has 12 divisors (see below), whose sum is σ = 28345742109568. Its totient is φ = 17144602081200.

The previous prime is 22145111022317. The next prime is 22145111022337. The reversal of 22145111022325 is 52322011154122.

It is not a de Polignac number, because 22145111022325 - 2³ = 22145111022317 is a prime.

It is a super-2 number, since 2×22145111022325² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14287167627 + ... + 14287169176.

Almost surely, 2^{22145111022325} is an apocalyptic number.

22145111022325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22145111022325 is a deficient number, since it is larger than the sum of its proper divisors (6200631087243).

22145111022325 is a wasteful number, since it uses less digits than its factorization.

22145111022325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574336844 (or 28574336839 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 22145111022325 its reverse (52322011154122), we get a palindrome (74467122176447).

The spelling of 22145111022325 in words is "twenty-two trillion, one hundred forty-five billion, one hundred eleven million, twenty-two thousand, three hundred twenty-five".