22304349 has 8 divisors (see below), whose sum is σ = 33043520. Its totient is φ = 14869548.

The previous prime is 22304333. The next prime is 22304351. The reversal of 22304349 is 94340322.

It is a happy number.

22304349 is a `hidden beast` number, since 223 + 0 + 434 + 9 = 666.

It is not a de Polignac number, because 22304349 - 2⁴ = 22304333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 826087 = 22304349 / (2 + 2 + 3 + 0 + 4 + 3 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304329) 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 7 ways as a sum of consecutive naturals, for example, 413017 + ... + 413070.

It is an arithmetic number, because the mean of its divisors is an integer number (4130440).

Almost surely, 2^22304349 is an apocalyptic number.

It is an amenable number.

22304349 is a deficient number, since it is larger than the sum of its proper divisors (10739171).

22304349 is an equidigital number, since it uses as much as digits as its factorization.

22304349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826096 (or 826090 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22304349 is about 4722.7480347781. The cubic root of 22304349 is about 281.4901380171.

The spelling of 22304349 in words is "twenty-two million, three hundred four thousand, three hundred forty-nine".