198725222259 has 16 divisors (see below), whose sum is σ = 304559728800. Its totient is φ = 127915085088.

The previous prime is 198725222257. The next prime is 198725222263. The reversal of 198725222259 is 952222527891.

198725222259 is a `hidden beast` number, since 1 + 98 + 7 + 2 + 522 + 2 + 25 + 9 = 666.

It is not a de Polignac number, because 198725222259 - 2¹ = 198725222257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198725222257) 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, 126899104 + ... + 126900669.

It is an arithmetic number, because the mean of its divisors is an integer number (19034983050).

Almost surely, 2^198725222259 is an apocalyptic number.

198725222259 is a deficient number, since it is larger than the sum of its proper divisors (105834506541).

198725222259 is a wasteful number, since it uses less digits than its factorization.

198725222259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253799811 (or 253799805 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 198725222259 in words is "one hundred ninety-eight billion, seven hundred twenty-five million, two hundred twenty-two thousand, two hundred fifty-nine".