22355349 has 8 divisors (see below), whose sum is σ = 29883072. Its totient is φ = 14865600.

The previous prime is 22355339. The next prime is 22355351. The reversal of 22355349 is 94355322.

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

It is not a de Polignac number, because 22355349 - 2⁹ = 22354837 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22355339) 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, 8089 + ... + 10494.

It is an arithmetic number, because the mean of its divisors is an integer number (3735384).

Almost surely, 2^22355349 is an apocalyptic number.

It is an amenable number.

22355349 is a deficient number, since it is larger than the sum of its proper divisors (7527723).

22355349 is a wasteful number, since it uses less digits than its factorization.

22355349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18987.

The product of its digits is 32400, while the sum is 33.

The square root of 22355349 is about 4728.1443505883. The cubic root of 22355349 is about 281.7045217534.

The spelling of 22355349 in words is "twenty-two million, three hundred fifty-five thousand, three hundred forty-nine".