22626091 has 2 divisors, whose sum is σ = 22626092. Its totient is φ = 22626090.

The previous prime is 22626083. The next prime is 22626143. The reversal of 22626091 is 19062622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22626091 - 2³ = 22626083 is a prime.

It is not a weakly prime, because it can be changed into another prime (22626011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313045 + 11313046.

It is an arithmetic number, because the mean of its divisors is an integer number (11313046).

Almost surely, 2^22626091 is an apocalyptic number.

22626091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22626091 is an equidigital number, since it uses as much as digits as its factorization.

22626091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22626091 is about 4756.6890796015. The cubic root of 22626091 is about 282.8371873752.

The spelling of 22626091 in words is "twenty-two million, six hundred twenty-six thousand, ninety-one".