22198596 has 24 divisors (see below), whose sum is σ = 59196480. Its totient is φ = 6342432.

The previous prime is 22198591. The next prime is 22198607. The reversal of 22198596 is 69589122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (22198591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132051 + ... + 132218.

It is an arithmetic number, because the mean of its divisors is an integer number (2466520).

Almost surely, 2^22198596 is an apocalyptic number.

It is an amenable number.

22198596 is an abundant number, since it is smaller than the sum of its proper divisors (36997884).

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

22198596 is a wasteful number, since it uses less digits than its factorization.

22198596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264283 (or 264281 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 22198596 is about 4711.5386021978. The cubic root of 22198596 is about 281.0445507983.

The spelling of 22198596 in words is "twenty-two million, one hundred ninety-eight thousand, five hundred ninety-six".