222878799 has 24 divisors (see below), whose sum is σ = 378220752. Its totient is φ = 124686720.

The previous prime is 222878779. The next prime is 222878837. The reversal of 222878799 is 997878222.

It is not a de Polignac number, because 222878799 - 2⁵ = 222878767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222878779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85302 + ... + 87875.

It is an arithmetic number, because the mean of its divisors is an integer number (15759198).

Almost surely, 2^222878799 is an apocalyptic number.

222878799 is a deficient number, since it is larger than the sum of its proper divisors (155341953).

222878799 is a wasteful number, since it uses less digits than its factorization.

222878799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173207 (or 173204 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 222878799 is about 14929.1258618849. The cubic root of 222878799 is about 606.3028173206.

The spelling of 222878799 in words is "two hundred twenty-two million, eight hundred seventy-eight thousand, seven hundred ninety-nine".