222525663 has 32 divisors (see below), whose sum is σ = 318743040. Its totient is φ = 137687040.

The previous prime is 222525661. The next prime is 222525697. The reversal of 222525663 is 366525222.

It is not a de Polignac number, because 222525663 - 2¹ = 222525661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222525661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923223 + ... + 923463.

It is an arithmetic number, because the mean of its divisors is an integer number (9960720).

Almost surely, 2^222525663 is an apocalyptic number.

222525663 is a deficient number, since it is larger than the sum of its proper divisors (96217377).

222525663 is a wasteful number, since it uses less digits than its factorization.

222525663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 43200, while the sum is 33.

The square root of 222525663 is about 14917.2940910877. The cubic root of 222525663 is about 605.9824331302.

It can be divided in two parts, 2225 and 25663, that multiplied together give a palindrome (57100175).

The spelling of 222525663 in words is "two hundred twenty-two million, five hundred twenty-five thousand, six hundred sixty-three".