22447699 has 2 divisors, whose sum is σ = 22447700. Its totient is φ = 22447698.

The previous prime is 22447693. The next prime is 22447727. The reversal of 22447699 is 99674422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22447699 - 2¹⁹ = 21923411 is a prime.

It is not a weakly prime, because it can be changed into another prime (22447693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11223849 + 11223850.

It is an arithmetic number, because the mean of its divisors is an integer number (11223850).

Almost surely, 2^22447699 is an apocalyptic number.

22447699 is a deficient number, since it is larger than the sum of its proper divisors (1).

22447699 is an equidigital number, since it uses as much as digits as its factorization.

22447699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 22447699 is about 4737.9002733278. The cubic root of 22447699 is about 282.0918961774.

The spelling of 22447699 in words is "twenty-two million, four hundred forty-seven thousand, six hundred ninety-nine".