220885938 has 48 divisors (see below), whose sum is σ = 589033536. Its totient is φ = 58255200.

The previous prime is 220885937. The next prime is 220885949. The reversal of 220885938 is 839588022.

It is a super-2 number, since 2×220885938² = 97581195212279688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220885893 and 220885902.

It is not an unprimeable number, because it can be changed into a prime (220885933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65788 + ... + 69063.

It is an arithmetic number, because the mean of its divisors is an integer number (12271532).

Almost surely, 2^220885938 is an apocalyptic number.

220885938 is an abundant number, since it is smaller than the sum of its proper divisors (368147598).

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

220885938 is a wasteful number, since it uses less digits than its factorization.

220885938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134879 (or 134876 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 220885938 is about 14862.2319319811. The cubic root of 220885938 is about 604.4903277622.

The spelling of 220885938 in words is "two hundred twenty million, eight hundred eighty-five thousand, nine hundred thirty-eight".