222604361 has 32 divisors (see below), whose sum is σ = 276480000. Its totient is φ = 174992832.

The previous prime is 222604357. The next prime is 222604379. The reversal of 222604361 is 163406222.

It is not a de Polignac number, because 222604361 - 2² = 222604357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222604361.

It is not an unprimeable number, because it can be changed into a prime (222604301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931280 + ... + 931518.

It is an arithmetic number, because the mean of its divisors is an integer number (8640000).

Almost surely, 2^222604361 is an apocalyptic number.

It is an amenable number.

222604361 is a deficient number, since it is larger than the sum of its proper divisors (53875639).

222604361 is a wasteful number, since it uses less digits than its factorization.

222604361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 222604361 is about 14919.9316687443. The cubic root of 222604361 is about 606.0538615728.

The spelling of 222604361 in words is "two hundred twenty-two million, six hundred four thousand, three hundred sixty-one".