225488490692 has 6 divisors (see below), whose sum is σ = 394604858718. Its totient is φ = 112744245344.

The previous prime is 225488490679. The next prime is 225488490701. The reversal of 225488490692 is 296094884522.

It can be written as a sum of positive squares in only one way, i.e., 194546273476 + 30942217216 = 441074^2 + 175904^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28186061333 + ... + 28186061340.

It is an arithmetic number, because the mean of its divisors is an integer number (65767476453).

Almost surely, 2^225488490692 is an apocalyptic number.

It is an amenable number.

225488490692 is a deficient number, since it is larger than the sum of its proper divisors (169116368026).

225488490692 is a wasteful number, since it uses less digits than its factorization.

225488490692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56372122677 (or 56372122675 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 225488490692 in words is "two hundred twenty-five billion, four hundred eighty-eight million, four hundred ninety thousand, six hundred ninety-two".