222663630 has 32 divisors (see below), whose sum is σ = 610735104. Its totient is φ = 50894496.

The previous prime is 222663613. The next prime is 222663643. The reversal of 222663630 is 36366222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529942 + ... + 530361.

It is an arithmetic number, because the mean of its divisors is an integer number (19085472).

Almost surely, 2^222663630 is an apocalyptic number.

222663630 is an abundant number, since it is smaller than the sum of its proper divisors (388071474).

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

222663630 is a wasteful number, since it uses less digits than its factorization.

222663630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060320.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 222663630 is about 14921.9177721900. The cubic root of 222663630 is about 606.1076446145.

It can be divided in two parts, 2226 and 63630, that added together give a palindrome (65856).

The spelling of 222663630 in words is "two hundred twenty-two million, six hundred sixty-three thousand, six hundred thirty".