22820784968 has 8 divisors (see below), whose sum is σ = 42788971830. Its totient is φ = 11410392480.

The previous prime is 22820784953. The next prime is 22820784983. The reversal of 22820784968 is 86948702822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22820784953) and next prime (22820784983).

It can be written as a sum of positive squares in only one way, i.e., 22788317764 + 32467204 = 150958^2 + 5698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22820784968² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426299053 + ... + 1426299068.

Almost surely, 2^22820784968 is an apocalyptic number.

It is an amenable number.

22820784968 is a deficient number, since it is larger than the sum of its proper divisors (19968186862).

22820784968 is a wasteful number, since it uses less digits than its factorization.

22820784968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852598127 (or 2852598123 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 22820784968 in words is "twenty-two billion, eight hundred twenty million, seven hundred eighty-four thousand, nine hundred sixty-eight".