225602272890 has 24 divisors (see below), whose sum is σ = 586565909748. Its totient is φ = 60160606080.

The previous prime is 225602272853. The next prime is 225602272939. The reversal of 225602272890 is 98272206522.

225602272890 is a `hidden beast` number, since 2 + 2 + 560 + 2 + 2 + 7 + 2 + 89 + 0 = 666.

225602272890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215380456281 + 10221816609 = 464091^2 + 101103^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1253345871 + ... + 1253346050.

Almost surely, 2^225602272890 is an apocalyptic number.

225602272890 is an abundant number, since it is smaller than the sum of its proper divisors (360963636858).

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

225602272890 is a wasteful number, since it uses less digits than its factorization.

225602272890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506691934 (or 2506691931 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 225602272890 in words is "two hundred twenty-five billion, six hundred two million, two hundred seventy-two thousand, eight hundred ninety".