225864004 has 6 divisors (see below), whose sum is σ = 395262014. Its totient is φ = 112932000.

The previous prime is 225863983. The next prime is 225864007. The reversal of 225864004 is 400468522.

225864004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 182304004 + 43560000 = 13502^2 + 6600^2 .

It is not an unprimeable number, because it can be changed into a prime (225864007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28232997 + ... + 28233004.

Almost surely, 2^225864004 is an apocalyptic number.

It is an amenable number.

225864004 is a deficient number, since it is larger than the sum of its proper divisors (169398010).

225864004 is a wasteful number, since it uses less digits than its factorization.

225864004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56466005 (or 56466003 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 225864004 is about 15028.7725380352. The cubic root of 225864004 is about 608.9977306203.

The spelling of 225864004 in words is "two hundred twenty-five million, eight hundred sixty-four thousand, four".