22349845 has 8 divisors (see below), whose sum is σ = 30651264. Its totient is φ = 15325584.

The previous prime is 22349843. The next prime is 22349861. The reversal of 22349845 is 54894322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22349845 - 2¹ = 22349843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22349843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319249 + ... + 319318.

It is an arithmetic number, because the mean of its divisors is an integer number (3831408).

Almost surely, 2^22349845 is an apocalyptic number.

It is an amenable number.

22349845 is a deficient number, since it is larger than the sum of its proper divisors (8301419).

22349845 is an equidigital number, since it uses as much as digits as its factorization.

22349845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638579.

The product of its digits is 69120, while the sum is 37.

The square root of 22349845 is about 4727.5622682308. The cubic root of 22349845 is about 281.6814008297.

The spelling of 22349845 in words is "twenty-two million, three hundred forty-nine thousand, eight hundred forty-five".