22444220297 has 2 divisors, whose sum is σ = 22444220298. Its totient is φ = 22444220296.

The previous prime is 22444220261. The next prime is 22444220327. The reversal of 22444220297 is 79202244422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20533743616 + 1910476681 = 143296^2 + 43709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22444220297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22444220297.

It is not a weakly prime, because it can be changed into another prime (22444220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222110148 + 11222110149.

It is an arithmetic number, because the mean of its divisors is an integer number (11222110149).

Almost surely, 2^22444220297 is an apocalyptic number.

It is an amenable number.

22444220297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444220297 is an equidigital number, since it uses as much as digits as its factorization.

22444220297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 22444220297 in words is "twenty-two billion, four hundred forty-four million, two hundred twenty thousand, two hundred ninety-seven".