22142930893 has 2 divisors, whose sum is σ = 22142930894. Its totient is φ = 22142930892.

The previous prime is 22142930863. The next prime is 22142930911. The reversal of 22142930893 is 39803924122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14341978564 + 7800952329 = 119758^2 + 88323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22142930893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142930863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071465446 + 11071465447.

It is an arithmetic number, because the mean of its divisors is an integer number (11071465447).

Almost surely, 2^22142930893 is an apocalyptic number.

It is an amenable number.

22142930893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142930893 is an equidigital number, since it uses as much as digits as its factorization.

22142930893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 22142930893 in words is "twenty-two billion, one hundred forty-two million, nine hundred thirty thousand, eight hundred ninety-three".