225534021124 has 24 divisors (see below), whose sum is σ = 407486890496. Its totient is φ = 109110456000.

The previous prime is 225534021017. The next prime is 225534021131. The reversal of 225534021124 is 421120435522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574609 + ... + 883879.

Almost surely, 2^225534021124 is an apocalyptic number.

It is an amenable number.

225534021124 is a deficient number, since it is larger than the sum of its proper divisors (181952869372).

225534021124 is a wasteful number, since it uses less digits than its factorization.

225534021124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315187 (or 315185 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 225534021124 its reverse (421120435522), we get a palindrome (646654456646).

The spelling of 225534021124 in words is "two hundred twenty-five billion, five hundred thirty-four million, twenty-one thousand, one hundred twenty-four".