922172233 has 2 divisors, whose sum is σ = 922172234. Its totient is φ = 922172232.

The previous prime is 922172231. The next prime is 922172249. The reversal of 922172233 is 332271229.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641710224 + 280462009 = 25332^2 + 16747^2 .

It is a cyclic number.

It is not a de Polignac number, because 922172233 - 2¹ = 922172231 is a prime.

Together with 922172231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 922172195 and 922172204.

It is not a weakly prime, because it can be changed into another prime (922172231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461086116 + 461086117.

It is an arithmetic number, because the mean of its divisors is an integer number (461086117).

Almost surely, 2^922172233 is an apocalyptic number.

It is an amenable number.

922172233 is a deficient number, since it is larger than the sum of its proper divisors (1).

922172233 is an equidigital number, since it uses as much as digits as its factorization.

922172233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 922172233 is about 30367.2888648295. The cubic root of 922172233 is about 973.3536917798.

The spelling of 922172233 in words is "nine hundred twenty-two million, one hundred seventy-two thousand, two hundred thirty-three".