22244899 has 4 divisors (see below), whose sum is σ = 22526560. Its totient is φ = 21963240.

The previous prime is 22244879. The next prime is 22244903. The reversal of 22244899 is 99844222.

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 22244899 - 2¹⁵ = 22212131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22244869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140712 + ... + 140869.

It is an arithmetic number, because the mean of its divisors is an integer number (5631640).

Almost surely, 2^22244899 is an apocalyptic number.

22244899 is a deficient number, since it is larger than the sum of its proper divisors (281661).

22244899 is an equidigital number, since it uses as much as digits as its factorization.

22244899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281660.

The product of its digits is 82944, while the sum is 40.

The square root of 22244899 is about 4716.4498301159. The cubic root of 22244899 is about 281.2398209320.

The spelling of 22244899 in words is "twenty-two million, two hundred forty-four thousand, eight hundred ninety-nine".