22423542 has 16 divisors (see below), whose sum is σ = 45050880. Its totient is φ = 7440552.

The previous prime is 22423537. The next prime is 22423567. The reversal of 22423542 is 24532422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7042 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (2815680).

Almost surely, 2^22423542 is an apocalyptic number.

22423542 is an abundant number, since it is smaller than the sum of its proper divisors (22627338).

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

22423542 is a wasteful number, since it uses less digits than its factorization.

22423542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987.

The product of its digits is 3840, while the sum is 24.

The square root of 22423542 is about 4735.3502510374. The cubic root of 22423542 is about 281.9906691747.

Adding to 22423542 its reverse (24532422), we get a palindrome (46955964).

The spelling of 22423542 in words is "twenty-two million, four hundred twenty-three thousand, five hundred forty-two".