22797559 has 4 divisors (see below), whose sum is σ = 22838616. Its totient is φ = 22756504.

The previous prime is 22797557. The next prime is 22797563. The reversal of 22797559 is 95579722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22797559 - 2¹ = 22797557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19684 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (5709654).

Almost surely, 2^22797559 is an apocalyptic number.

22797559 is a deficient number, since it is larger than the sum of its proper divisors (41057).

22797559 is an equidigital number, since it uses as much as digits as its factorization.

22797559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41056.

The product of its digits is 396900, while the sum is 46.

The square root of 22797559 is about 4774.6789420861. The cubic root of 22797559 is about 283.5498679990.

The spelling of 22797559 in words is "twenty-two million, seven hundred ninety-seven thousand, five hundred fifty-nine".