990418022 has 8 divisors (see below), whose sum is σ = 1620684072. Its totient is φ = 450190000.

The previous prime is 990418007. The next prime is 990418043. The reversal of 990418022 is 220814099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22509479 + ... + 22509522.

It is an arithmetic number, because the mean of its divisors is an integer number (202585509).

Almost surely, 2^990418022 is an apocalyptic number.

990418022 is a deficient number, since it is larger than the sum of its proper divisors (630266050).

990418022 is a wasteful number, since it uses less digits than its factorization.

990418022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019014.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 990418022 is about 31470.9075496720. The cubic root of 990418022 is about 996.7957510885.

The spelling of 990418022 in words is "nine hundred ninety million, four hundred eighteen thousand, twenty-two".