23220402198 has 32 divisors (see below), whose sum is σ = 53426711040. Its totient is φ = 6590462400.

The previous prime is 23220402137. The next prime is 23220402203. The reversal of 23220402198 is 89120402232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824343 + ... + 1837026.

It is an arithmetic number, because the mean of its divisors is an integer number (1669584720).

Almost surely, 2^23220402198 is an apocalyptic number.

23220402198 is an abundant number, since it is smaller than the sum of its proper divisors (30206308842).

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

23220402198 is a wasteful number, since it uses less digits than its factorization.

23220402198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661532.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 23220402198 in words is "twenty-three billion, two hundred twenty million, four hundred two thousand, one hundred ninety-eight".