222259490 has 32 divisors (see below), whose sum is σ = 408240000. Its totient is φ = 87098368.

The previous prime is 222259487. The next prime is 222259507. The reversal of 222259490 is 94952222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222259490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264491 + ... + 265329.

It is an arithmetic number, because the mean of its divisors is an integer number (12757500).

Almost surely, 2^222259490 is an apocalyptic number.

222259490 is a deficient number, since it is larger than the sum of its proper divisors (185980510).

222259490 is a wasteful number, since it uses less digits than its factorization.

222259490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 222259490 is about 14908.3697968624. The cubic root of 222259490 is about 605.7407224079.

The spelling of 222259490 in words is "two hundred twenty-two million, two hundred fifty-nine thousand, four hundred ninety".