222605604 has 48 divisors (see below), whose sum is σ = 621523840. Its totient is φ = 68493600.

The previous prime is 222605573. The next prime is 222605611. The reversal of 222605604 is 406506222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77872 + ... + 80679.

Almost surely, 2^222605604 is an apocalyptic number.

It is an amenable number.

222605604 is an abundant number, since it is smaller than the sum of its proper divisors (398918236).

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

222605604 is a wasteful number, since it uses less digits than its factorization.

222605604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158577 (or 158569 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 222605604 is about 14919.9733243729. The cubic root of 222605604 is about 606.0549896184.

The spelling of 222605604 in words is "two hundred twenty-two million, six hundred five thousand, six hundred four".