22188714269621 has 2 divisors, whose sum is σ = 22188714269622. Its totient is φ = 22188714269620.

The previous prime is 22188714269587. The next prime is 22188714269647. The reversal of 22188714269621 is 12696241788122.

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., 20492950363396 + 1695763906225 = 4526914^2 + 1302215^2 .

It is a cyclic number.

It is not a de Polignac number, because 22188714269621 - 2¹⁰ = 22188714268597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22188714269651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11094357134810 + 11094357134811.

It is an arithmetic number, because the mean of its divisors is an integer number (11094357134811).

Almost surely, 2^{22188714269621} is an apocalyptic number.

It is an amenable number.

22188714269621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22188714269621 is an equidigital number, since it uses as much as digits as its factorization.

22188714269621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 59.

The spelling of 22188714269621 in words is "twenty-two trillion, one hundred eighty-eight billion, seven hundred fourteen million, two hundred sixty-nine thousand, six hundred twenty-one".