222605364 has 12 divisors (see below), whose sum is σ = 519412544. Its totient is φ = 74201784.

The previous prime is 222605347. The next prime is 222605381. The reversal of 222605364 is 463506222.

It is an interprime number because it is at equal distance from previous prime (222605347) and next prime (222605381).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9275212 + ... + 9275235.

Almost surely, 2^222605364 is an apocalyptic number.

It is an amenable number.

222605364 is an abundant number, since it is smaller than the sum of its proper divisors (296807180).

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

222605364 is a wasteful number, since it uses less digits than its factorization.

222605364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550454 (or 18550452 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 222605364 is about 14919.9652814609. The cubic root of 222605364 is about 606.0547718142.

The spelling of 222605364 in words is "two hundred twenty-two million, six hundred five thousand, three hundred sixty-four".