220042888 has 32 divisors (see below), whose sum is σ = 449328600. Its totient is φ = 100412928.

The previous prime is 220042873. The next prime is 220042891. The reversal of 220042888 is 888240022.

It can be written as a sum of positive squares in 4 ways, for example, as 86825124 + 133217764 = 9318^2 + 11542^2 .

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 7 ways as a sum of consecutive naturals, for example, 2631 + ... + 21142.

Almost surely, 2^220042888 is an apocalyptic number.

It is an amenable number.

220042888 is an abundant number, since it is smaller than the sum of its proper divisors (229285712).

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

220042888 is a wasteful number, since it uses less digits than its factorization.

220042888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23881 (or 23877 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 220042888 is about 14833.8426579225. The cubic root of 220042888 is about 603.7202994247.

The spelling of 220042888 in words is "two hundred twenty million, forty-two thousand, eight hundred eighty-eight".