220889000 has 32 divisors (see below), whose sum is σ = 516882600. Its totient is φ = 88355200.

The previous prime is 220888963. The next prime is 220889051. The reversal of 220889000 is 988022.

It can be written as a sum of positive squares in 4 ways, for example, as 13586596 + 207302404 = 3686^2 + 14398^2 .

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, 109445 + ... + 111444.

Almost surely, 2^220889000 is an apocalyptic number.

220889000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220889000 is an abundant number, since it is smaller than the sum of its proper divisors (295993600).

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

220889000 is a wasteful number, since it uses less digits than its factorization.

220889000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220910 (or 220896 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 220889000 is about 14862.3349444157. The cubic root of 220889000 is about 604.4931209698.

The spelling of 220889000 in words is "two hundred twenty million, eight hundred eighty-nine thousand".