989770022 has 32 divisors (see below), whose sum is σ = 1591156224. Its totient is φ = 460134400.

The previous prime is 989770013. The next prime is 989770027. The reversal of 989770022 is 220077989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989770027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123022 + ... + 1123902.

It is an arithmetic number, because the mean of its divisors is an integer number (49723632).

Almost surely, 2^989770022 is an apocalyptic number.

989770022 is a deficient number, since it is larger than the sum of its proper divisors (601386202).

989770022 is a wasteful number, since it uses less digits than its factorization.

989770022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 989770022 is about 31460.6106425161. The cubic root of 989770022 is about 996.5783127433.

The spelling of 989770022 in words is "nine hundred eighty-nine million, seven hundred seventy thousand, twenty-two".