22423037 has 12 divisors (see below), whose sum is σ = 28091196. Its totient is φ = 17740800.

The previous prime is 22423019. The next prime is 22423043. The reversal of 22423037 is 73032422.

22423037 = 429² + 430² + ... + 526².

It can be written as a sum of positive squares in 2 ways, for example, as 7761796 + 14661241 = 2786^2 + 3829^2 .

It is not a de Polignac number, because 22423037 - 2¹⁴ = 22406653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16964 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (2340933).

Almost surely, 2^22423037 is an apocalyptic number.

It is an amenable number.

22423037 is a deficient number, since it is larger than the sum of its proper divisors (5668159).

22423037 is a wasteful number, since it uses less digits than its factorization.

22423037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35228 (or 35221 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22423037 is about 4735.2969283879. The cubic root of 22423037 is about 281.9885522573.

Adding to 22423037 its reverse (73032422), we get a palindrome (95455459).

The spelling of 22423037 in words is "twenty-two million, four hundred twenty-three thousand, thirty-seven".