222895940 has 12 divisors (see below), whose sum is σ = 468081516. Its totient is φ = 89158368.

The previous prime is 222895931. The next prime is 222895987. The reversal of 222895940 is 49598222.

It can be written as a sum of positive squares in 2 ways, for example, as 168844036 + 54051904 = 12994^2 + 7352^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5572379 + ... + 5572418.

It is an arithmetic number, because the mean of its divisors is an integer number (39006793).

Almost surely, 2^222895940 is an apocalyptic number.

222895940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222895940 is an abundant number, since it is smaller than the sum of its proper divisors (245185576).

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

222895940 is a wasteful number, since it uses less digits than its factorization.

222895940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144806 (or 11144804 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 222895940 is about 14929.6999300053. The cubic root of 222895940 is about 606.3183599537.

The spelling of 222895940 in words is "two hundred twenty-two million, eight hundred ninety-five thousand, nine hundred forty".