22942148897 has 2 divisors, whose sum is σ = 22942148898. Its totient is φ = 22942148896.

The previous prime is 22942148891. The next prime is 22942148953. The reversal of 22942148897 is 79884124922.

It is an a-pointer prime, because the next prime (22942148953) can be obtained adding 22942148897 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21537323536 + 1404825361 = 146756^2 + 37481^2 .

It is a cyclic number.

It is not a de Polignac number, because 22942148897 - 2¹² = 22942144801 is a prime.

It is not a weakly prime, because it can be changed into another prime (22942148891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11471074448 + 11471074449.

It is an arithmetic number, because the mean of its divisors is an integer number (11471074449).

Almost surely, 2^22942148897 is an apocalyptic number.

It is an amenable number.

22942148897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22942148897 is an equidigital number, since it uses as much as digits as its factorization.

22942148897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 56.

The spelling of 22942148897 in words is "twenty-two billion, nine hundred forty-two million, one hundred forty-eight thousand, eight hundred ninety-seven".