22012799 has 2 divisors, whose sum is σ = 22012800. Its totient is φ = 22012798.

The previous prime is 22012751. The next prime is 22012819. The reversal of 22012799 is 99721022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006399 + 11006400.

It is an arithmetic number, because the mean of its divisors is an integer number (11006400).

Almost surely, 2^22012799 is an apocalyptic number.

22012799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012799 is an equidigital number, since it uses as much as digits as its factorization.

22012799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 22012799 is about 4691.7799394260. The cubic root of 22012799 is about 280.2582608669.

The spelling of 22012799 in words is "twenty-two million, twelve thousand, seven hundred ninety-nine".