25622423352 has 48 divisors (see below), whose sum is σ = 69580179240. Its totient is φ = 8517901248.

The previous prime is 25622423339. The next prime is 25622423357. The reversal of 25622423352 is 25332422652.

25622423352 is a `hidden beast` number, since 2 + 5 + 62 + 242 + 3 + 352 = 666.

It is a super-2 number, since 2×25622423352² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25622423357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450178 + ... + 503889.

Almost surely, 2^25622423352 is an apocalyptic number.

It is an amenable number.

25622423352 is an abundant number, since it is smaller than the sum of its proper divisors (43957755888).

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

25622423352 is a wasteful number, since it uses less digits than its factorization.

25622423352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954452 (or 954445 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The spelling of 25622423352 in words is "twenty-five billion, six hundred twenty-two million, four hundred twenty-three thousand, three hundred fifty-two".