222815223 has 12 divisors (see below), whose sum is σ = 338783640. Its totient is φ = 140725296.

The previous prime is 222815213. The next prime is 222815231. The reversal of 222815223 is 322518222.

It is not a de Polignac number, because 222815223 - 2¹⁷ = 222684151 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222815213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651336 + ... + 651677.

It is an arithmetic number, because the mean of its divisors is an integer number (28231970).

Almost surely, 2^222815223 is an apocalyptic number.

222815223 is a deficient number, since it is larger than the sum of its proper divisors (115968417).

222815223 is a wasteful number, since it uses less digits than its factorization.

222815223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303038 (or 1303035 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 222815223 is about 14926.9964493866. The cubic root of 222815223 is about 606.2451627063.

The spelling of 222815223 in words is "two hundred twenty-two million, eight hundred fifteen thousand, two hundred twenty-three".