22200799 has 4 divisors (see below), whose sum is σ = 22619736. Its totient is φ = 21781864.

The previous prime is 22200781. The next prime is 22200809. The reversal of 22200799 is 99700222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99700222 = 2 ⋅49850111.

It is a cyclic number.

It is not a de Polignac number, because 22200799 - 2⁷ = 22200671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209389 + ... + 209494.

It is an arithmetic number, because the mean of its divisors is an integer number (5654934).

Almost surely, 2^22200799 is an apocalyptic number.

22200799 is a deficient number, since it is larger than the sum of its proper divisors (418937).

22200799 is an equidigital number, since it uses as much as digits as its factorization.

22200799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418936.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 22200799 is about 4711.7723841459. The cubic root of 22200799 is about 281.0538474923.

The spelling of 22200799 in words is "twenty-two million, two hundred thousand, seven hundred ninety-nine".