22560437 has 2 divisors, whose sum is σ = 22560438. Its totient is φ = 22560436.

The previous prime is 22560413. The next prime is 22560443. The reversal of 22560437 is 73406522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 9084196 = 3671^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 22560437 - 2¹² = 22556341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22560737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280218 + 11280219.

It is an arithmetic number, because the mean of its divisors is an integer number (11280219).

Almost surely, 2^22560437 is an apocalyptic number.

It is an amenable number.

22560437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22560437 is an equidigital number, since it uses as much as digits as its factorization.

22560437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 22560437 is about 4749.7828371411. The cubic root of 22560437 is about 282.5633533221.

Adding to 22560437 its reverse (73406522), we get a palindrome (95966959).

The spelling of 22560437 in words is "twenty-two million, five hundred sixty thousand, four hundred thirty-seven".