22053026621 has 2 divisors, whose sum is σ = 22053026622. Its totient is φ = 22053026620.

The previous prime is 22053026579. The next prime is 22053026627. The reversal of 22053026621 is 12662035022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15609753721 + 6443272900 = 124939^2 + 80270^2 .

It is a cyclic number.

It is not a de Polignac number, because 22053026621 - 2¹⁸ = 22052764477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22053026627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026513310 + 11026513311.

It is an arithmetic number, because the mean of its divisors is an integer number (11026513311).

Almost surely, 2^22053026621 is an apocalyptic number.

It is an amenable number.

22053026621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22053026621 is an equidigital number, since it uses as much as digits as its factorization.

22053026621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 22053026621 in words is "twenty-two billion, fifty-three million, twenty-six thousand, six hundred twenty-one".