22651425450 has 72 divisors (see below), whose sum is σ = 61484338188. Its totient is φ = 5978096640.

The previous prime is 22651425437. The next prime is 22651425469. The reversal of 22651425450 is 5452415622.

22651425450 is a `hidden beast` number, since 2 + 2 + 65 + 142 + 5 + 450 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 10643429889 + 12007995561 = 103167^2 + 109581^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 215817 + ... + 303116.

Almost surely, 2^22651425450 is an apocalyptic number.

22651425450 is an abundant number, since it is smaller than the sum of its proper divisors (38832912738).

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

22651425450 is a wasteful number, since it uses less digits than its factorization.

22651425450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519048 (or 519040 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 22651425450 in words is "twenty-two billion, six hundred fifty-one million, four hundred twenty-five thousand, four hundred fifty".