22084005668 has 6 divisors (see below), whose sum is σ = 38647009926. Its totient is φ = 11042002832.

The previous prime is 22084005637. The next prime is 22084005683. The reversal of 22084005668 is 86650048022.

It can be written as a sum of positive squares in only one way, i.e., 17712415744 + 4371589924 = 133088^2 + 66118^2 .

It is a super-2 number, since 2×22084005668² (a number of 21 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, 2760500705 + ... + 2760500712.

It is an arithmetic number, because the mean of its divisors is an integer number (6441168321).

Almost surely, 2^22084005668 is an apocalyptic number.

It is an amenable number.

22084005668 is a deficient number, since it is larger than the sum of its proper divisors (16563004258).

22084005668 is a wasteful number, since it uses less digits than its factorization.

22084005668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521001421 (or 5521001419 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 22084005668 in words is "twenty-two billion, eighty-four million, five thousand, six hundred sixty-eight".