22042413 has 12 divisors (see below), whose sum is σ = 33515040. Its totient is φ = 13921416.

The previous prime is 22042357. The next prime is 22042429. The reversal of 22042413 is 31424022.

It is not a de Polignac number, because 22042413 - 2⁸ = 22042157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042213) 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, 64281 + ... + 64622.

It is an arithmetic number, because the mean of its divisors is an integer number (2792920).

Almost surely, 2^22042413 is an apocalyptic number.

It is an amenable number.

22042413 is a deficient number, since it is larger than the sum of its proper divisors (11472627).

22042413 is a wasteful number, since it uses less digits than its factorization.

22042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128928 (or 128925 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22042413 is about 4694.9348238288. The cubic root of 22042413 is about 280.3838824668.

Adding to 22042413 its reverse (31424022), we get a palindrome (53466435).

The spelling of 22042413 in words is "twenty-two million, forty-two thousand, four hundred thirteen".