22559437 has 2 divisors, whose sum is σ = 22559438. Its totient is φ = 22559436.

The previous prime is 22559431. The next prime is 22559473. The reversal of 22559437 is 73495522.

Together with next prime (22559473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15515721 + 7043716 = 3939^2 + 2654^2 .

It is a cyclic number.

It is not a de Polignac number, because 22559437 - 2³ = 22559429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22559396 and 22559405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22559431) 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, 11279718 + 11279719.

It is an arithmetic number, because the mean of its divisors is an integer number (11279719).

Almost surely, 2^22559437 is an apocalyptic number.

It is an amenable number.

22559437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22559437 is an equidigital number, since it uses as much as digits as its factorization.

22559437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 22559437 is about 4749.6775680040. The cubic root of 22559437 is about 282.5591783508.

The spelling of 22559437 in words is "twenty-two million, five hundred fifty-nine thousand, four hundred thirty-seven".