22402413 has 72 divisors (see below), whose sum is σ = 40229280. Its totient is φ = 12337920.

The previous prime is 22402399. The next prime is 22402421. The reversal of 22402413 is 31420422.

It is not a de Polignac number, because 22402413 - 2⁵ = 22402381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 772483 + ... + 772511.

It is an arithmetic number, because the mean of its divisors is an integer number (558740).

Almost surely, 2^22402413 is an apocalyptic number.

It is an amenable number.

22402413 is a deficient number, since it is larger than the sum of its proper divisors (17826867).

22402413 is a wasteful number, since it uses less digits than its factorization.

22402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 60 counting only the distinct ones).

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

The square root of 22402413 is about 4733.1187392670. The cubic root of 22402413 is about 281.9020710214.

Adding to 22402413 its reverse (31420422), we get a palindrome (53822835).

Subtracting 22402413 from its reverse (31420422), we obtain a square (9018009 = 3003²).

The spelling of 22402413 in words is "twenty-two million, four hundred two thousand, four hundred thirteen".