22012100198 has 32 divisors (see below), whose sum is σ = 36301817088. Its totient is φ = 9927324000.

The previous prime is 22012100197. The next prime is 22012100207. The reversal of 22012100198 is 89100121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012100197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142436 + ... + 3149432.

It is an arithmetic number, because the mean of its divisors is an integer number (1134431784).

Almost surely, 2^22012100198 is an apocalyptic number.

22012100198 is a deficient number, since it is larger than the sum of its proper divisors (14289716890).

22012100198 is a wasteful number, since it uses less digits than its factorization.

22012100198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22012100198 in words is "twenty-two billion, twelve million, one hundred thousand, one hundred ninety-eight".