22740799 has 4 divisors (see below), whose sum is σ = 22759264. Its totient is φ = 22722336.

The previous prime is 22740797. The next prime is 22740811. The reversal of 22740799 is 99704722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22740799 - 2¹ = 22740797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22740793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7242 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (5689816).

Almost surely, 2^22740799 is an apocalyptic number.

22740799 is a deficient number, since it is larger than the sum of its proper divisors (18465).

22740799 is a wasteful number, since it uses less digits than its factorization.

22740799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 22740799 is about 4768.7313826635. The cubic root of 22740799 is about 283.3143505929.

The spelling of 22740799 in words is "twenty-two million, seven hundred forty thousand, seven hundred ninety-nine".