90022385284 has 18 divisors (see below), whose sum is σ = 170589758010. Its totient is φ = 41548792896.

The previous prime is 90022385281. The next prime is 90022385309. The reversal of 90022385284 is 48258322009.

It can be written as a sum of positive squares in 3 ways, for example, as 2737591684 + 87284793600 = 52322^2 + 295440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90022385284.

It is not an unprimeable number, because it can be changed into a prime (90022385281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66583929 + ... + 66585280.

Almost surely, 2^90022385284 is an apocalyptic number.

It is an amenable number.

90022385284 is a deficient number, since it is larger than the sum of its proper divisors (80567372726).

90022385284 is a wasteful number, since it uses less digits than its factorization.

90022385284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169239 (or 133169224 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 90022385284 in words is "ninety billion, twenty-two million, three hundred eighty-five thousand, two hundred eighty-four".