22198122 has 24 divisors (see below), whose sum is σ = 48187776. Its totient is φ = 7385256.

The previous prime is 22198117. The next prime is 22198123. The reversal of 22198122 is 22189122.

It is not an unprimeable number, because it can be changed into a prime (22198123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13383 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (2007824).

Almost surely, 2^22198122 is an apocalyptic number.

22198122 is an abundant number, since it is smaller than the sum of its proper divisors (25989654).

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

22198122 is a wasteful number, since it uses less digits than its factorization.

22198122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2359 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 22198122 is about 4711.4882998900. The cubic root of 22198122 is about 281.0425504305.

The spelling of 22198122 in words is "twenty-two million, one hundred ninety-eight thousand, one hundred twenty-two".