90722333390 has 32 divisors (see below), whose sum is σ = 176060243520. Its totient is φ = 33459712032.

The previous prime is 90722333327. The next prime is 90722333419. The reversal of 90722333390 is 9333322709.

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, 102279527 + ... + 102280413.

It is an arithmetic number, because the mean of its divisors is an integer number (5501882610).

Almost surely, 2^90722333390 is an apocalyptic number.

90722333390 is a deficient number, since it is larger than the sum of its proper divisors (85337910130).

90722333390 is an frugal number, since it uses more digits than its factorization.

90722333390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 41.

The spelling of 90722333390 in words is "ninety billion, seven hundred twenty-two million, three hundred thirty-three thousand, three hundred ninety".