22426023 has 16 divisors (see below), whose sum is σ = 31777920. Its totient is φ = 14027616.

The previous prime is 22426013. The next prime is 22426123. The reversal of 22426023 is 32062422.

It is not a de Polignac number, because 22426023 - 2⁴ = 22426007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426013) 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 15 ways as a sum of consecutive naturals, for example, 4261 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (1986120).

Almost surely, 2^22426023 is an apocalyptic number.

22426023 is a deficient number, since it is larger than the sum of its proper divisors (9351897).

22426023 is a wasteful number, since it uses less digits than its factorization.

22426023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22426023 is about 4735.6122096303. The cubic root of 22426023 is about 282.0010688557.

Adding to 22426023 its reverse (32062422), we get a palindrome (54488445).

The spelling of 22426023 in words is "twenty-two million, four hundred twenty-six thousand, twenty-three".