64822799 has 2 divisors, whose sum is σ = 64822800. Its totient is φ = 64822798.

The previous prime is 64822781. The next prime is 64822811. The reversal of 64822799 is 99722846.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64822799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64822099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32411399 + 32411400.

It is an arithmetic number, because the mean of its divisors is an integer number (32411400).

Almost surely, 2^64822799 is an apocalyptic number.

64822799 is a deficient number, since it is larger than the sum of its proper divisors (1).

64822799 is an equidigital number, since it uses as much as digits as its factorization.

64822799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 64822799 is about 8051.2607087338. The cubic root of 64822799 is about 401.7068707043.

Adding to 64822799 its sum of digits (47), we get a palindrome (64822846).

The spelling of 64822799 in words is "sixty-four million, eight hundred twenty-two thousand, seven hundred ninety-nine".