22797091 has 2 divisors, whose sum is σ = 22797092. Its totient is φ = 22797090.

The previous prime is 22797079. The next prime is 22797101. The reversal of 22797091 is 19079722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22797091 - 2¹¹ = 22795043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22797091.

It is not a weakly prime, because it can be changed into another prime (22797031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398545 + 11398546.

It is an arithmetic number, because the mean of its divisors is an integer number (11398546).

Almost surely, 2^22797091 is an apocalyptic number.

22797091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797091 is an equidigital number, since it uses as much as digits as its factorization.

22797091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 22797091 is about 4774.6299333037. The cubic root of 22797091 is about 283.5479276999.

The spelling of 22797091 in words is "twenty-two million, seven hundred ninety-seven thousand, ninety-one".