225326004 has 24 divisors (see below), whose sum is σ = 539971488. Its totient is φ = 73078560.

The previous prime is 225325987. The next prime is 225326021. The reversal of 225326004 is 400623522.

It is an interprime number because it is at equal distance from previous prime (225325987) and next prime (225326021).

It is a congruent number.

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, 253302 + ... + 254189.

It is an arithmetic number, because the mean of its divisors is an integer number (22498812).

Almost surely, 2^225326004 is an apocalyptic number.

It is an amenable number.

225326004 is an abundant number, since it is smaller than the sum of its proper divisors (314645484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225326004 is a wasteful number, since it uses less digits than its factorization.

225326004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507535 (or 507533 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 225326004 is about 15010.8628666043. The cubic root of 225326004 is about 608.5138092326.

Adding to 225326004 its reverse (400623522), we get a palindrome (625949526).

The spelling of 225326004 in words is "two hundred twenty-five million, three hundred twenty-six thousand, four".