22559549 has 4 divisors (see below), whose sum is σ = 22685760. Its totient is φ = 22433340.

The previous prime is 22559533. The next prime is 22559557. The reversal of 22559549 is 94595522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22559549 - 2⁴ = 22559533 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 (22559519) 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, 62837 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (5671440).

Almost surely, 2^22559549 is an apocalyptic number.

It is an amenable number.

22559549 is a deficient number, since it is larger than the sum of its proper divisors (126211).

22559549 is a wasteful number, since it uses less digits than its factorization.

22559549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126210.

The product of its digits is 162000, while the sum is 41.

The square root of 22559549 is about 4749.6893582633. The cubic root of 22559549 is about 282.5596459537.

The spelling of 22559549 in words is "twenty-two million, five hundred fifty-nine thousand, five hundred forty-nine".