22702821698 has 6 divisors (see below), whose sum is σ = 34054552179. Its totient is φ = 11351304306.

The previous prime is 22702821679. The next prime is 22702821703. The reversal of 22702821698 is 89612820722.

It can be written as a sum of positive squares in only one way, i.e., 11351410849 + 11351410849 = 106543^2 + 106543^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106543.

It is a super-2 number, since 2×22702821698² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 159815 + ... + 266357.

Almost surely, 2^22702821698 is an apocalyptic number.

22702821698 is a deficient number, since it is larger than the sum of its proper divisors (11351730481).

22702821698 is an frugal number, since it uses more digits than its factorization.

22702821698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213088 (or 106545 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 22702821698 in words is "twenty-two billion, seven hundred two million, eight hundred twenty-one thousand, six hundred ninety-eight".