225941208642 has 54 divisors (see below), whose sum is σ = 492887106387. Its totient is φ = 74802175272.

The previous prime is 225941208629. The next prime is 225941208683. The reversal of 225941208642 is 246802149522.

225941208642 is a `hidden beast` number, since 2 + 2 + 594 + 12 + 0 + 8 + 6 + 42 = 666.

225941208642 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 only one way, i.e., 112970604321 + 112970604321 = 336111^2 + 336111^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336111.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 401316253 + ... + 401316815.

Almost surely, 2^225941208642 is an apocalyptic number.

225941208642 is an abundant number, since it is smaller than the sum of its proper divisors (266945897745).

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

225941208642 is an frugal number, since it uses more digits than its factorization.

225941208642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 225941208642 in words is "two hundred twenty-five billion, nine hundred forty-one million, two hundred eight thousand, six hundred forty-two".