222500663 has 16 divisors (see below), whose sum is σ = 279023616. Its totient is φ = 172364640.

The previous prime is 222500653. The next prime is 222500687. The reversal of 222500663 is 366005222.

It is not a de Polignac number, because 222500663 - 2⁸ = 222500407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222500653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (17438976).

Almost surely, 2^222500663 is an apocalyptic number.

222500663 is a deficient number, since it is larger than the sum of its proper divisors (56522953).

222500663 is a wasteful number, since it uses less digits than its factorization.

222500663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 222500663 is about 14916.4561139702. The cubic root of 222500663 is about 605.9597389264.

Adding to 222500663 its reverse (366005222), we get a palindrome (588505885).

The spelling of 222500663 in words is "two hundred twenty-two million, five hundred thousand, six hundred sixty-three".