22142917669 has 2 divisors, whose sum is σ = 22142917670. Its totient is φ = 22142917668.

The previous prime is 22142917633. The next prime is 22142917697. The reversal of 22142917669 is 96671924122.

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., 16093967044 + 6048950625 = 126862^2 + 77775^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142917669 - 2²³ = 22134529061 is a prime.

It is a super-2 number, since 2×22142917669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142917169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071458834 + 11071458835.

It is an arithmetic number, because the mean of its divisors is an integer number (11071458835).

Almost surely, 2^22142917669 is an apocalyptic number.

It is an amenable number.

22142917669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142917669 is an equidigital number, since it uses as much as digits as its factorization.

22142917669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 22142917669 in words is "twenty-two billion, one hundred forty-two million, nine hundred seventeen thousand, six hundred sixty-nine".