22437413 has 2 divisors, whose sum is σ = 22437414. Its totient is φ = 22437412.

The previous prime is 22437409. The next prime is 22437419. The reversal of 22437413 is 31473422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 889249 = 4642^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 22437413 - 2² = 22437409 is a prime.

It is equal to p_1414943 and since 22437413 and 1414943 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22437419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11218706 + 11218707.

It is an arithmetic number, because the mean of its divisors is an integer number (11218707).

Almost surely, 2^22437413 is an apocalyptic number.

It is an amenable number.

22437413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22437413 is an equidigital number, since it uses as much as digits as its factorization.

22437413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 22437413 is about 4736.8146469964. The cubic root of 22437413 is about 282.0488028140.

The spelling of 22437413 in words is "twenty-two million, four hundred thirty-seven thousand, four hundred thirteen".