22533198 has 16 divisors (see below), whose sum is σ = 45573840. Its totient is φ = 7426496.

The previous prime is 22533193. The next prime is 22533223. The reversal of 22533198 is 89133522.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20565 + ... + 21632.

It is an arithmetic number, because the mean of its divisors is an integer number (2848365).

Almost surely, 2^22533198 is an apocalyptic number.

22533198 is an abundant number, since it is smaller than the sum of its proper divisors (23040642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22533198 is a wasteful number, since it uses less digits than its factorization.

22533198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291.

The product of its digits is 12960, while the sum is 33.

The square root of 22533198 is about 4746.9145768594. The cubic root of 22533198 is about 282.4495871616.

The spelling of 22533198 in words is "twenty-two million, five hundred thirty-three thousand, one hundred ninety-eight".