22207799 has 2 divisors, whose sum is σ = 22207800. Its totient is φ = 22207798.

The previous prime is 22207793. The next prime is 22207813. The reversal of 22207799 is 99770222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22207799 - 2¹² = 22203703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22207793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11103899 + 11103900.

It is an arithmetic number, because the mean of its divisors is an integer number (11103900).

Almost surely, 2^22207799 is an apocalyptic number.

22207799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22207799 is an equidigital number, since it uses as much as digits as its factorization.

22207799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 22207799 is about 4712.5151458643. The cubic root of 22207799 is about 281.0833835193.

The spelling of 22207799 in words is "twenty-two million, two hundred seven thousand, seven hundred ninety-nine".