222887090 has 16 divisors (see below), whose sum is σ = 401369472. Its totient is φ = 89116464.

The previous prime is 222887059. The next prime is 222887123. The reversal of 222887090 is 90788222.

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, 36647 + ... + 42293.

It is an arithmetic number, because the mean of its divisors is an integer number (25085592).

Almost surely, 2^222887090 is an apocalyptic number.

222887090 is a deficient number, since it is larger than the sum of its proper divisors (178482382).

222887090 is a wasteful number, since it uses less digits than its factorization.

222887090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 222887090 is about 14929.4035379850. The cubic root of 222887090 is about 606.3103352995.

The spelling of 222887090 in words is "two hundred twenty-two million, eight hundred eighty-seven thousand, ninety".