22354879 has 2 divisors, whose sum is σ = 22354880. Its totient is φ = 22354878.

The previous prime is 22354877. The next prime is 22354889. The reversal of 22354879 is 97845322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22354879 - 2¹ = 22354877 is a prime.

Together with 22354877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22354877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177439 + 11177440.

It is an arithmetic number, because the mean of its divisors is an integer number (11177440).

Almost surely, 2^22354879 is an apocalyptic number.

22354879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22354879 is an equidigital number, since it uses as much as digits as its factorization.

22354879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 22354879 is about 4728.0946479528. The cubic root of 22354879 is about 281.7025475494.

The spelling of 22354879 in words is "twenty-two million, three hundred fifty-four thousand, eight hundred seventy-nine".