922631421 has 8 divisors (see below), whose sum is σ = 1236616704. Its totient is φ = 611866880.

The previous prime is 922631399. The next prime is 922631443. The reversal of 922631421 is 124136229.

It is an interprime number because it is at equal distance from previous prime (922631399) and next prime (922631443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 922631421 - 2⁵ = 922631389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922631921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804516 + ... + 805661.

It is an arithmetic number, because the mean of its divisors is an integer number (154577088).

Almost surely, 2^922631421 is an apocalyptic number.

It is an amenable number.

922631421 is a deficient number, since it is larger than the sum of its proper divisors (313985283).

922631421 is a wasteful number, since it uses less digits than its factorization.

922631421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610371.

The product of its digits is 5184, while the sum is 30.

The square root of 922631421 is about 30374.8484934493. The cubic root of 922631421 is about 973.5152227658.

The spelling of 922631421 in words is "nine hundred twenty-two million, six hundred thirty-one thousand, four hundred twenty-one".