22422439 has 16 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 19192320.

The previous prime is 22422437. The next prime is 22422457. The reversal of 22422439 is 93422422.

It is not a de Polignac number, because 22422439 - 2¹ = 22422437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422437) 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, 14977 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^22422439 is an apocalyptic number.

22422439 is a deficient number, since it is larger than the sum of its proper divisors (3523481).

22422439 is a wasteful number, since it uses less digits than its factorization.

22422439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

The product of its digits is 6912, while the sum is 28.

The square root of 22422439 is about 4735.2337851473. The cubic root of 22422439 is about 281.9860454507.

The spelling of 22422439 in words is "twenty-two million, four hundred twenty-two thousand, four hundred thirty-nine".