22013413 has 2 divisors, whose sum is σ = 22013414. Its totient is φ = 22013412.

The previous prime is 22013399. The next prime is 22013423. The reversal of 22013413 is 31431022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21095649 + 917764 = 4593^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22013413 - 2⁹ = 22012901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006706 + 11006707.

It is an arithmetic number, because the mean of its divisors is an integer number (11006707).

Almost surely, 2^22013413 is an apocalyptic number.

It is an amenable number.

22013413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013413 is an equidigital number, since it uses as much as digits as its factorization.

22013413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22013413 is about 4691.8453725586. The cubic root of 22013413 is about 280.2608665778.

Adding to 22013413 its reverse (31431022), we get a palindrome (53444435).

The spelling of 22013413 in words is "twenty-two million, thirteen thousand, four hundred thirteen".