989901022 has 32 divisors (see below), whose sum is σ = 1714711680. Its totient is φ = 424324320.

The previous prime is 989901013. The next prime is 989901043. The reversal of 989901022 is 220109989.

It is a congruent number.

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, 9393 + ... + 45475.

It is an arithmetic number, because the mean of its divisors is an integer number (53584740).

Almost surely, 2^989901022 is an apocalyptic number.

989901022 is a deficient number, since it is larger than the sum of its proper divisors (724810658).

989901022 is a wasteful number, since it uses less digits than its factorization.

989901022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 989901022 is about 31462.6925421204. The cubic root of 989901022 is about 996.6222778385.

The spelling of 989901022 in words is "nine hundred eighty-nine million, nine hundred one thousand, twenty-two".