922988520 has 160 divisors (see below), whose sum is σ = 3130962120. Its totient is φ = 243855360.

The previous prime is 922988519. The next prime is 922988543. The reversal of 922988520 is 25889229.

It can be written as a sum of positive squares in 4 ways, for example, as 141562404 + 781426116 = 11898^2 + 27954^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 364860 + ... + 367380.

Almost surely, 2^922988520 is an apocalyptic number.

922988520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922988520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565481060).

922988520 is an abundant number, since it is smaller than the sum of its proper divisors (2207973600).

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

922988520 is a wasteful number, since it uses less digits than its factorization.

922988520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 922988520 is about 30380.7261269378. The cubic root of 922988520 is about 973.6408043229.

The spelling of 922988520 in words is "nine hundred twenty-two million, nine hundred eighty-eight thousand, five hundred twenty".