922748640 has 96 divisors (see below), whose sum is σ = 3170918016. Its totient is φ = 223695360.

The previous prime is 922748639. The next prime is 922748641. The reversal of 922748640 is 46847229.

It is an interprime number because it is at equal distance from previous prime (922748639) and next prime (922748641).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 922748592 and 922748601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922748641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82102 + ... + 92661.

It is an arithmetic number, because the mean of its divisors is an integer number (33030396).

Almost surely, 2^922748640 is an apocalyptic number.

It is an amenable number.

922748640 is an abundant number, since it is smaller than the sum of its proper divisors (2248169376).

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

922748640 is a wasteful number, since it uses less digits than its factorization.

922748640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174792 (or 174784 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 922748640 is about 30376.7779726554. Note that the first 3 decimals coincide. The cubic root of 922748640 is about 973.5564489246.

The spelling of 922748640 in words is "nine hundred twenty-two million, seven hundred forty-eight thousand, six hundred forty".