922889520 has 480 divisors, whose sum is σ = 3748867200. Its totient is φ = 203212800.

The previous prime is 922889519. The next prime is 922889543. The reversal of 922889520 is 25988229.

It is a super-2 number, since 2×922889520² = 1703450132251660800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9137470 + ... + 9137570.

It is an arithmetic number, because the mean of its divisors is an integer number (7810140).

Almost surely, 2^922889520 is an apocalyptic number.

922889520 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 922889520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874433600).

922889520 is an abundant number, since it is smaller than the sum of its proper divisors (2825977680).

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

922889520 is a wasteful number, since it uses less digits than its factorization.

922889520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 155 counting only the distinct ones).

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

The square root of 922889520 is about 30379.0967607663. The cubic root of 922889520 is about 973.6059920856.

The spelling of 922889520 in words is "nine hundred twenty-two million, eight hundred eighty-nine thousand, five hundred twenty".