22479347 has 8 divisors (see below), whose sum is σ = 24605040. Its totient is φ = 20367360.

The previous prime is 22479341. The next prime is 22479361. The reversal of 22479347 is 74397422.

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 22479347 - 2⁶ = 22479283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22479347.

It is not an unprimeable number, because it can be changed into a prime (22479341) 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, 179 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (3075630).

Almost surely, 2^22479347 is an apocalyptic number.

22479347 is a deficient number, since it is larger than the sum of its proper divisors (2125693).

22479347 is a wasteful number, since it uses less digits than its factorization.

22479347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853.

The product of its digits is 84672, while the sum is 38.

The square root of 22479347 is about 4741.2389730955. The cubic root of 22479347 is about 282.2244034788.

The spelling of 22479347 in words is "twenty-two million, four hundred seventy-nine thousand, three hundred forty-seven".