22726087 has 2 divisors, whose sum is σ = 22726088. Its totient is φ = 22726086.

The previous prime is 22726079. The next prime is 22726097. The reversal of 22726087 is 78062722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22726087 - 2³ = 22726079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22726027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363043 + 11363044.

It is an arithmetic number, because the mean of its divisors is an integer number (11363044).

Almost surely, 2^22726087 is an apocalyptic number.

22726087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22726087 is an equidigital number, since it uses as much as digits as its factorization.

22726087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 22726087 is about 4767.1885844804. The cubic root of 22726087 is about 283.2532413373.

The spelling of 22726087 in words is "twenty-two million, seven hundred twenty-six thousand, eighty-seven".