22923396 has 18 divisors (see below), whose sum is σ = 57945342. Its totient is φ = 7641120.

The previous prime is 22923391. The next prime is 22923403. The reversal of 22923396 is 69332922.

It can be written as a sum of positive squares in only one way, i.e., 19236996 + 3686400 = 4386^2 + 1920^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 636761 = 22923396 / (2 + 2 + 9 + 2 + 3 + 3 + 9 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22923396.

It is not an unprimeable number, because it can be changed into a prime (22923391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318345 + ... + 318416.

Almost surely, 2^22923396 is an apocalyptic number.

It is an amenable number.

22923396 is an abundant number, since it is smaller than the sum of its proper divisors (35021946).

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

22923396 is a wasteful number, since it uses less digits than its factorization.

22923396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636771 (or 636766 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 22923396 is about 4787.8383431357. The cubic root of 22923396 is about 284.0706198778.

The spelling of 22923396 in words is "twenty-two million, nine hundred twenty-three thousand, three hundred ninety-six".