225651742996 has 12 divisors (see below), whose sum is σ = 394894035648. Its totient is φ = 112824875672.

The previous prime is 225651742909. The next prime is 225651742999. The reversal of 225651742996 is 699247156522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225651742996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225651742999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535605 + ... + 859171.

It is an arithmetic number, because the mean of its divisors is an integer number (32907836304).

Almost surely, 2^225651742996 is an apocalyptic number.

It is an amenable number.

225651742996 is a deficient number, since it is larger than the sum of its proper divisors (169242292652).

225651742996 is a wasteful number, since it uses less digits than its factorization.

225651742996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497918 (or 497916 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 58.

The spelling of 225651742996 in words is "two hundred twenty-five billion, six hundred fifty-one million, seven hundred forty-two thousand, nine hundred ninety-six".