922172239 has 4 divisors (see below), whose sum is σ = 970707640. Its totient is φ = 873636840.

The previous prime is 922172233. The next prime is 922172249. The reversal of 922172239 is 932271229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932271229 = 419 ⋅2224991.

It is a cyclic number.

It is not a de Polignac number, because 922172239 - 2³ = 922172231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 922172198 and 922172207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922172231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24267672 + ... + 24267709.

It is an arithmetic number, because the mean of its divisors is an integer number (242676910).

Almost surely, 2^922172239 is an apocalyptic number.

922172239 is a deficient number, since it is larger than the sum of its proper divisors (48535401).

922172239 is a wasteful number, since it uses less digits than its factorization.

922172239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48535400.

The product of its digits is 27216, while the sum is 37.

The square root of 922172239 is about 30367.2889636200. The cubic root of 922172239 is about 973.3536938908.

The spelling of 922172239 in words is "nine hundred twenty-two million, one hundred seventy-two thousand, two hundred thirty-nine".