923222151 has 8 divisors (see below), whose sum is σ = 1367736560. Its totient is φ = 615481416.

The previous prime is 923222149. The next prime is 923222161. The reversal of 923222151 is 151222329.

It is a happy number.

It is not a de Polignac number, because 923222151 - 2¹ = 923222149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 34193413 = 923222151 / (9 + 2 + 3 + 2 + 2 + 2 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923222161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17096680 + ... + 17096733.

It is an arithmetic number, because the mean of its divisors is an integer number (170967070).

Almost surely, 2^923222151 is an apocalyptic number.

923222151 is a deficient number, since it is larger than the sum of its proper divisors (444514409).

923222151 is a wasteful number, since it uses less digits than its factorization.

923222151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34193422 (or 34193416 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 923222151 is about 30384.5709365790. The cubic root of 923222151 is about 973.7229481703.

The spelling of 923222151 in words is "nine hundred twenty-three million, two hundred twenty-two thousand, one hundred fifty-one".