22126807 has 2 divisors, whose sum is σ = 22126808. Its totient is φ = 22126806.

The previous prime is 22126799. The next prime is 22126813. The reversal of 22126807 is 70862122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22126807 - 2³ = 22126799 is a prime.

It is equal to p_1396720 and since 22126807 and 1396720 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 (22126837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11063403 + 11063404.

It is an arithmetic number, because the mean of its divisors is an integer number (11063404).

Almost surely, 2^22126807 is an apocalyptic number.

22126807 is a deficient number, since it is larger than the sum of its proper divisors (1).

22126807 is an equidigital number, since it uses as much as digits as its factorization.

22126807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 22126807 is about 4703.9140085678. The cubic root of 22126807 is about 280.7412629137.

Adding to 22126807 its reverse (70862122), we get a palindrome (92988929).

It can be divided in two parts, 221 and 26807, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 22126807 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred seven".