222880938 has 16 divisors (see below), whose sum is σ = 509442240. Its totient is φ = 63680256.

The previous prime is 222880913. The next prime is 222880939. The reversal of 222880938 is 839088222.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5306689 = 222880938 / (2 + 2 + 2 + 8 + 8 + 0 + 9 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 222880938.

It is not an unprimeable number, because it can be changed into a prime (222880939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653303 + ... + 2653386.

It is an arithmetic number, because the mean of its divisors is an integer number (31840140).

Almost surely, 2^222880938 is an apocalyptic number.

222880938 is an abundant number, since it is smaller than the sum of its proper divisors (286561302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222880938 is a wasteful number, since it uses less digits than its factorization.

222880938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306701.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 222880938 is about 14929.1975002007. The cubic root of 222880938 is about 606.3047569063.

The spelling of 222880938 in words is "two hundred twenty-two million, eight hundred eighty thousand, nine hundred thirty-eight".