22244879 has 2 divisors, whose sum is σ = 22244880. Its totient is φ = 22244878.

The previous prime is 22244869. The next prime is 22244903. The reversal of 22244879 is 97844222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22244879 - 2²⁴ = 5467663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122439 + 11122440.

It is an arithmetic number, because the mean of its divisors is an integer number (11122440).

Almost surely, 2^22244879 is an apocalyptic number.

22244879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244879 is an equidigital number, since it uses as much as digits as its factorization.

22244879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 22244879 is about 4716.4477098766. The cubic root of 22244879 is about 281.2397366461.

The spelling of 22244879 in words is "twenty-two million, two hundred forty-four thousand, eight hundred seventy-nine".