225621103652 has 12 divisors (see below), whose sum is σ = 451242207360. Its totient is φ = 96694758696.

The previous prime is 225621103607. The next prime is 225621103667. The reversal of 225621103652 is 256301126522.

225621103652 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028948252 + ... + 4028948307.

It is an arithmetic number, because the mean of its divisors is an integer number (37603517280).

Almost surely, 2^225621103652 is an apocalyptic number.

It is an amenable number.

225621103652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225621103652 is a wasteful number, since it uses less digits than its factorization.

225621103652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057896570 (or 8057896568 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 225621103652 in words is "two hundred twenty-five billion, six hundred twenty-one million, one hundred three thousand, six hundred fifty-two".