22579481 has 2 divisors, whose sum is σ = 22579482. Its totient is φ = 22579480.

The previous prime is 22579423. The next prime is 22579499. The reversal of 22579481 is 18497522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22477081 + 102400 = 4741^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22579481 is a prime.

It is a super-2 number, since 2×22579481² = 1019665924458722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22579681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11289740 + 11289741.

It is an arithmetic number, because the mean of its divisors is an integer number (11289741).

Almost surely, 2^22579481 is an apocalyptic number.

It is an amenable number.

22579481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22579481 is an equidigital number, since it uses as much as digits as its factorization.

22579481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 22579481 is about 4751.7871374884. The cubic root of 22579481 is about 282.6428379390.

The spelling of 22579481 in words is "twenty-two million, five hundred seventy-nine thousand, four hundred eighty-one".