22348909 has 8 divisors (see below), whose sum is σ = 24498720. Its totient is φ = 20218800.

The previous prime is 22348901. The next prime is 22348919. The reversal of 22348909 is 90984322.

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 22348909 - 2³ = 22348901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22348901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (3062340).

Almost surely, 2^22348909 is an apocalyptic number.

It is an amenable number.

22348909 is a deficient number, since it is larger than the sum of its proper divisors (2149811).

22348909 is a wasteful number, since it uses less digits than its factorization.

22348909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 22348909 is about 4727.4632732577. The cubic root of 22348909 is about 281.6774685508.

The spelling of 22348909 in words is "twenty-two million, three hundred forty-eight thousand, nine hundred nine".