22559198 has 4 divisors (see below), whose sum is σ = 33838800. Its totient is φ = 11279598.

The previous prime is 22559197. The next prime is 22559209. The reversal of 22559198 is 89195522.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22559197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639798 + ... + 5639801.

It is an arithmetic number, because the mean of its divisors is an integer number (8459700).

Almost surely, 2^22559198 is an apocalyptic number.

22559198 is a deficient number, since it is larger than the sum of its proper divisors (11279602).

22559198 is a wasteful number, since it uses less digits than its factorization.

22559198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279601.

The product of its digits is 64800, while the sum is 41.

The square root of 22559198 is about 4749.6524083347. The cubic root of 22559198 is about 282.5581805144.

The spelling of 22559198 in words is "twenty-two million, five hundred fifty-nine thousand, one hundred ninety-eight".