22126837 has 2 divisors, whose sum is σ = 22126838. Its totient is φ = 22126836.

The previous prime is 22126831. The next prime is 22126847. The reversal of 22126837 is 73862122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17422276 + 4704561 = 4174^2 + 2169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22126837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22126799 and 22126808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22126831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11063418 + 11063419.

It is an arithmetic number, because the mean of its divisors is an integer number (11063419).

Almost surely, 2^22126837 is an apocalyptic number.

It is an amenable number.

22126837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22126837 is an equidigital number, since it uses as much as digits as its factorization.

22126837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 22126837 is about 4703.9171974005. The cubic root of 22126837 is about 280.7413897920.

Adding to 22126837 its reverse (73862122), we get a palindrome (95988959).

The spelling of 22126837 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred thirty-seven".