22481659 has 2 divisors, whose sum is σ = 22481660. Its totient is φ = 22481658.

The previous prime is 22481639. The next prime is 22481677. The reversal of 22481659 is 95618422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22481659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22481609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240829 + 11240830.

It is an arithmetic number, because the mean of its divisors is an integer number (11240830).

Almost surely, 2^22481659 is an apocalyptic number.

22481659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22481659 is an equidigital number, since it uses as much as digits as its factorization.

22481659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 22481659 is about 4741.4827849524. The cubic root of 22481659 is about 282.2340787369.

The spelling of 22481659 in words is "twenty-two million, four hundred eighty-one thousand, six hundred fifty-nine".