22394413 has 2 divisors, whose sum is σ = 22394414. Its totient is φ = 22394412.

The previous prime is 22394401. The next prime is 22394441. The reversal of 22394413 is 31449322.

It is an a-pointer prime, because the next prime (22394441) can be obtained adding 22394413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19342404 + 3052009 = 4398^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 22394413 - 2¹⁷ = 22263341 is a prime.

It is a super-2 number, since 2×22394413² = 1003019467229138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22395413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11197206 + 11197207.

It is an arithmetic number, because the mean of its divisors is an integer number (11197207).

Almost surely, 2^22394413 is an apocalyptic number.

It is an amenable number.

22394413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22394413 is an equidigital number, since it uses as much as digits as its factorization.

22394413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 22394413 is about 4732.2735550684. The cubic root of 22394413 is about 281.8685108707.

The spelling of 22394413 in words is "twenty-two million, three hundred ninety-four thousand, four hundred thirteen".