22777247399 has 2 divisors, whose sum is σ = 22777247400. Its totient is φ = 22777247398.

The previous prime is 22777247387. The next prime is 22777247453. The reversal of 22777247399 is 99374277722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22777247399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22777547399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11388623699 + 11388623700.

It is an arithmetic number, because the mean of its divisors is an integer number (11388623700).

Almost surely, 2^22777247399 is an apocalyptic number.

22777247399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22777247399 is an equidigital number, since it uses as much as digits as its factorization.

22777247399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18670176, while the sum is 59.

The spelling of 22777247399 in words is "twenty-two billion, seven hundred seventy-seven million, two hundred forty-seven thousand, three hundred ninety-nine".