222825664 has 28 divisors (see below), whose sum is σ = 468181944. Its totient is φ = 104858624.

The previous prime is 222825649. The next prime is 222825667. The reversal of 222825664 is 466528222.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (222825667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101314 + ... + 103489.

Almost surely, 2^222825664 is an apocalyptic number.

It is an amenable number.

222825664 is an abundant number, since it is smaller than the sum of its proper divisors (245356280).

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

222825664 is a wasteful number, since it uses less digits than its factorization.

222825664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204832 (or 204822 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 222825664 is about 14927.3461807516. The cubic root of 222825664 is about 606.2546319978.

The spelling of 222825664 in words is "two hundred twenty-two million, eight hundred twenty-five thousand, six hundred sixty-four".