222163642 has 16 divisors (see below), whose sum is σ = 344655360. Its totient is φ = 107338608.

The previous prime is 222163609. The next prime is 222163657. The reversal of 222163642 is 246361222.

It is a self number, because there is not a number n which added to its sum of digits gives 222163642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7533 + ... + 22384.

It is an arithmetic number, because the mean of its divisors is an integer number (21540960).

Almost surely, 2^222163642 is an apocalyptic number.

222163642 is a deficient number, since it is larger than the sum of its proper divisors (122491718).

222163642 is a wasteful number, since it uses less digits than its factorization.

222163642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30045.

The product of its digits is 6912, while the sum is 28.

The square root of 222163642 is about 14905.1548801078. The cubic root of 222163642 is about 605.6536359358.

The spelling of 222163642 in words is "two hundred twenty-two million, one hundred sixty-three thousand, six hundred forty-two".