22479697 has 2 divisors, whose sum is σ = 22479698. Its totient is φ = 22479696.

The previous prime is 22479689. The next prime is 22479707. The reversal of 22479697 is 79697422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18653761 + 3825936 = 4319^2 + 1956^2 .

It is a cyclic number.

It is not a de Polignac number, because 22479697 - 2³ = 22479689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22479617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11239848 + 11239849.

It is an arithmetic number, because the mean of its divisors is an integer number (11239849).

Almost surely, 2^22479697 is an apocalyptic number.

It is an amenable number.

22479697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22479697 is an equidigital number, since it uses as much as digits as its factorization.

22479697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 22479697 is about 4741.2758831353. The cubic root of 22479697 is about 282.2258682015.

The spelling of 22479697 in words is "twenty-two million, four hundred seventy-nine thousand, six hundred ninety-seven".