22276084661 has 2 divisors, whose sum is σ = 22276084662. Its totient is φ = 22276084660.

The previous prime is 22276084651. The next prime is 22276084673. The reversal of 22276084661 is 16648067222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19826329636 + 2449755025 = 140806^2 + 49495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22276084661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22276084601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11138042330 + 11138042331.

It is an arithmetic number, because the mean of its divisors is an integer number (11138042331).

Almost surely, 2^22276084661 is an apocalyptic number.

It is an amenable number.

22276084661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22276084661 is an equidigital number, since it uses as much as digits as its factorization.

22276084661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 22276084661 in words is "twenty-two billion, two hundred seventy-six million, eighty-four thousand, six hundred sixty-one".