22025252028 has 24 divisors (see below), whose sum is σ = 55345505488. Its totient is φ = 6777000576.

The previous prime is 22025252027. The next prime is 22025252033. The reversal of 22025252028 is 82025252022.

It is a super-2 number, since 2×22025252028² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22025251986 and 22025252004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025252027) 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 7 ways as a sum of consecutive naturals, for example, 70593601 + ... + 70593912.

Almost surely, 2^22025252028 is an apocalyptic number.

It is an amenable number.

22025252028 is an abundant number, since it is smaller than the sum of its proper divisors (33320253460).

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

22025252028 is a wasteful number, since it uses less digits than its factorization.

22025252028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141187533 (or 141187531 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 22025252028 in words is "twenty-two billion, twenty-five million, two hundred fifty-two thousand, twenty-eight".