22499490943 has 2 divisors, whose sum is σ = 22499490944. Its totient is φ = 22499490942.

The previous prime is 22499490841. The next prime is 22499490971. The reversal of 22499490943 is 34909499422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22499490943 - 2³³ = 13909556351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22499490043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249745471 + 11249745472.

It is an arithmetic number, because the mean of its divisors is an integer number (11249745472).

Almost surely, 2^22499490943 is an apocalyptic number.

22499490943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22499490943 is an equidigital number, since it uses as much as digits as its factorization.

22499490943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 22499490943 in words is "twenty-two billion, four hundred ninety-nine million, four hundred ninety thousand, nine hundred forty-three".