22400299 has 4 divisors (see below), whose sum is σ = 22479736. Its totient is φ = 22320864.

The previous prime is 22400293. The next prime is 22400303. The reversal of 22400299 is 99200422.

It is a happy number.

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 22400299 - 2¹³ = 22392107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400293) 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, 39294 + ... + 39859.

It is an arithmetic number, because the mean of its divisors is an integer number (5619934).

Almost surely, 2^22400299 is an apocalyptic number.

22400299 is a deficient number, since it is larger than the sum of its proper divisors (79437).

22400299 is an equidigital number, since it uses as much as digits as its factorization.

22400299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79436.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22400299 is about 4732.8954140146. The cubic root of 22400299 is about 281.8932035284.

The spelling of 22400299 in words is "twenty-two million, four hundred thousand, two hundred ninety-nine".