225522002 has 32 divisors (see below), whose sum is σ = 352370304. Its totient is φ = 108201600.

The previous prime is 225521987. The next prime is 225522029. The reversal of 225522002 is 200225522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646078 + ... + 1646214.

It is an arithmetic number, because the mean of its divisors is an integer number (11011572).

Almost surely, 2^225522002 is an apocalyptic number.

225522002 is a deficient number, since it is larger than the sum of its proper divisors (126848302).

225522002 is a wasteful number, since it uses less digits than its factorization.

225522002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 225522002 is about 15017.3899862792. The cubic root of 225522002 is about 608.6901950364.

Adding to 225522002 its reverse (200225522), we get a palindrome (425747524).

The spelling of 225522002 in words is "two hundred twenty-five million, five hundred twenty-two thousand, two".