990476022 has 8 divisors (see below), whose sum is σ = 1980952056. Its totient is φ = 330158672.

The previous prime is 990476017. The next prime is 990476027. The reversal of 990476022 is 220674099.

It is an interprime number because it is at equal distance from previous prime (990476017) and next prime (990476027).

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

990476022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990476027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82539663 + ... + 82539674.

It is an arithmetic number, because the mean of its divisors is an integer number (247619007).

Almost surely, 2^990476022 is an apocalyptic number.

990476022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

990476022 is a wasteful number, since it uses less digits than its factorization.

990476022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165079342.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 990476022 is about 31471.8290221588. The cubic root of 990476022 is about 996.8152085377.

The spelling of 990476022 in words is "nine hundred ninety million, four hundred seventy-six thousand, twenty-two".