22442660001998 has 16 divisors (see below), whose sum is σ = 34752195943296. Its totient is φ = 10858641995520.

The previous prime is 22442660001997. The next prime is 22442660002013. The reversal of 22442660001998 is 89910006624422.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442660001997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10869911 + ... + 12768722.

It is an arithmetic number, because the mean of its divisors is an integer number (2172012246456).

Almost surely, 2^{22442660001998} is an apocalyptic number.

22442660001998 is a deficient number, since it is larger than the sum of its proper divisors (12309535941298).

22442660001998 is a wasteful number, since it uses less digits than its factorization.

22442660001998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23653979.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 22442660001998 in words is "twenty-two trillion, four hundred forty-two billion, six hundred sixty million, one thousand, nine hundred ninety-eight".