22113321 has 8 divisors (see below), whose sum is σ = 31036320. Its totient is φ = 13966272.

The previous prime is 22113263. The next prime is 22113353. The reversal of 22113321 is 12331122.

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

It is not a de Polignac number, because 22113321 - 2⁶ = 22113257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22113321.

It is not an unprimeable number, because it can be changed into a prime (22113121) 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, 193920 + ... + 194033.

It is an arithmetic number, because the mean of its divisors is an integer number (3879540).

Almost surely, 2^22113321 is an apocalyptic number.

It is an amenable number.

22113321 is a deficient number, since it is larger than the sum of its proper divisors (8922999).

22113321 is a wasteful number, since it uses less digits than its factorization.

22113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387975.

The product of its digits is 72, while the sum is 15.

The square root of 22113321 is about 4702.4803029891. The cubic root of 22113321 is about 280.6842152773.

Adding to 22113321 its reverse (12331122), we get a palindrome (34444443).

The spelling of 22113321 in words is "twenty-two million, one hundred thirteen thousand, three hundred twenty-one".