22472439 has 16 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 13328960.

The previous prime is 22472407. The next prime is 22472479. The reversal of 22472439 is 93427422.

It is a cyclic number.

It is not a de Polignac number, because 22472439 - 2⁵ = 22472407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22472479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5694 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (2086560).

Almost surely, 2^22472439 is an apocalyptic number.

22472439 is a deficient number, since it is larger than the sum of its proper divisors (10912521).

22472439 is a wasteful number, since it uses less digits than its factorization.

22472439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14550.

The product of its digits is 24192, while the sum is 33.

The square root of 22472439 is about 4740.5104155565. The cubic root of 22472439 is about 282.1954909260.

The spelling of 22472439 in words is "twenty-two million, four hundred seventy-two thousand, four hundred thirty-nine".