22748959213 has 2 divisors, whose sum is σ = 22748959214. Its totient is φ = 22748959212.

The previous prime is 22748959127. The next prime is 22748959243. The reversal of 22748959213 is 31295984722.

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., 21175488324 + 1573470889 = 145518^2 + 39667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22748959213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22748959243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374479606 + 11374479607.

It is an arithmetic number, because the mean of its divisors is an integer number (11374479607).

Almost surely, 2^22748959213 is an apocalyptic number.

It is an amenable number.

22748959213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22748959213 is an equidigital number, since it uses as much as digits as its factorization.

22748959213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The spelling of 22748959213 in words is "twenty-two billion, seven hundred forty-eight million, nine hundred fifty-nine thousand, two hundred thirteen".