22797221999 has 2 divisors, whose sum is σ = 22797222000. Its totient is φ = 22797221998.

The previous prime is 22797221981. The next prime is 22797222017. The reversal of 22797221999 is 99912279722.

It is a balanced prime because it is at equal distance from previous prime (22797221981) and next prime (22797222017).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22797221999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22797221959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398610999 + 11398611000.

It is an arithmetic number, because the mean of its divisors is an integer number (11398611000).

Almost surely, 2^22797221999 is an apocalyptic number.

22797221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797221999 is an equidigital number, since it uses as much as digits as its factorization.

22797221999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 59.

The spelling of 22797221999 in words is "twenty-two billion, seven hundred ninety-seven million, two hundred twenty-one thousand, nine hundred ninety-nine".