225534004 has 6 divisors (see below), whose sum is σ = 394684514. Its totient is φ = 112767000.

The previous prime is 225533983. The next prime is 225534017. The reversal of 225534004 is 400435522.

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 83685904 = 11910^2 + 9148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225534004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28191747 + ... + 28191754.

Almost surely, 2^225534004 is an apocalyptic number.

It is an amenable number.

225534004 is a deficient number, since it is larger than the sum of its proper divisors (169150510).

225534004 is a wasteful number, since it uses less digits than its factorization.

225534004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56383505 (or 56383503 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225534004 is about 15017.7895843563. The cubic root of 225534004 is about 608.7009927562.

Adding to 225534004 its reverse (400435522), we get a palindrome (625969526).

The spelling of 225534004 in words is "two hundred twenty-five million, five hundred thirty-four thousand, four".