22919950897 has 2 divisors, whose sum is σ = 22919950898. Its totient is φ = 22919950896.

The previous prime is 22919950891. The next prime is 22919950939. The reversal of 22919950897 is 79805991922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22112879616 + 807071281 = 148704^2 + 28409^2 .

It is a cyclic number.

It is not a de Polignac number, because 22919950897 - 2²⁷ = 22785733169 is a prime.

It is a super-2 number, since 2×22919950897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22919950891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11459975448 + 11459975449.

It is an arithmetic number, because the mean of its divisors is an integer number (11459975449).

Almost surely, 2^22919950897 is an apocalyptic number.

It is an amenable number.

22919950897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22919950897 is an equidigital number, since it uses as much as digits as its factorization.

22919950897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 22919950897 in words is "twenty-two billion, nine hundred nineteen million, nine hundred fifty thousand, eight hundred ninety-seven".