22058885621 has 2 divisors, whose sum is σ = 22058885622. Its totient is φ = 22058885620.

The previous prime is 22058885599. The next prime is 22058885627. The reversal of 22058885621 is 12658885022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22015140625 + 43744996 = 148375^2 + 6614^2 .

It is a cyclic number.

It is not a de Polignac number, because 22058885621 - 2²⁶ = 21991776757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22058885627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029442810 + 11029442811.

It is an arithmetic number, because the mean of its divisors is an integer number (11029442811).

Almost surely, 2^22058885621 is an apocalyptic number.

It is an amenable number.

22058885621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22058885621 is an equidigital number, since it uses as much as digits as its factorization.

22058885621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 22058885621 in words is "twenty-two billion, fifty-eight million, eight hundred eighty-five thousand, six hundred twenty-one".