22821339 has 8 divisors (see below), whose sum is σ = 30882880. Its totient is φ = 14987016.

The previous prime is 22821269. The next prime is 22821353. The reversal of 22821339 is 93312822.

It is a happy number.

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

It is not a de Polignac number, because 22821339 - 2⁹ = 22820827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22821389) 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, 56569 + ... + 56970.

It is an arithmetic number, because the mean of its divisors is an integer number (3860360).

Almost surely, 2^22821339 is an apocalyptic number.

22821339 is a deficient number, since it is larger than the sum of its proper divisors (8061541).

22821339 is a wasteful number, since it uses less digits than its factorization.

22821339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113609.

The product of its digits is 5184, while the sum is 30.

The square root of 22821339 is about 4777.1685128327. The cubic root of 22821339 is about 283.6484234738.

The spelling of 22821339 in words is "twenty-two million, eight hundred twenty-one thousand, three hundred thirty-nine".