225491072432 has 10 divisors (see below), whose sum is σ = 436888952868. Its totient is φ = 112745536208.

The previous prime is 225491072423. The next prime is 225491072437. The reversal of 225491072432 is 234270194522.

It is a self number, because there is not a number n which added to its sum of digits gives 225491072432.

It is not an unprimeable number, because it can be changed into a prime (225491072437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7046595998 + ... + 7046596029.

Almost surely, 2^225491072432 is an apocalyptic number.

It is an amenable number.

225491072432 is a deficient number, since it is larger than the sum of its proper divisors (211397880436).

225491072432 is a wasteful number, since it uses less digits than its factorization.

225491072432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14093192035 (or 14093192029 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 225491072432 in words is "two hundred twenty-five billion, four hundred ninety-one million, seventy-two thousand, four hundred thirty-two".