22364449 has 4 divisors (see below), whose sum is σ = 22374036. Its totient is φ = 22354864.

The previous prime is 22364443. The next prime is 22364467. The reversal of 22364449 is 94446322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8910225 + 13454224 = 2985^2 + 3668^2 .

It is a cyclic number.

It is not a de Polignac number, because 22364449 - 2¹¹ = 22362401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22364443) 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, 1227 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (5593509).

Almost surely, 2^22364449 is an apocalyptic number.

It is an amenable number.

22364449 is a deficient number, since it is larger than the sum of its proper divisors (9587).

22364449 is an equidigital number, since it uses as much as digits as its factorization.

22364449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586.

The product of its digits is 41472, while the sum is 34.

The square root of 22364449 is about 4729.1065752423. The cubic root of 22364449 is about 281.7427402485.

The spelling of 22364449 in words is "twenty-two million, three hundred sixty-four thousand, four hundred forty-nine".