22331013 has 16 divisors (see below), whose sum is σ = 31720896. Its totient is φ = 13925120.

The previous prime is 22331003. The next prime is 22331021. The reversal of 22331013 is 31013322.

It is a cyclic number.

It is not a de Polignac number, because 22331013 - 2⁵ = 22330981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22330983 and 22331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331003) 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 15 ways as a sum of consecutive naturals, for example, 7558 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1982556).

Almost surely, 2^22331013 is an apocalyptic number.

It is an amenable number.

22331013 is a deficient number, since it is larger than the sum of its proper divisors (9389883).

22331013 is a wasteful number, since it uses less digits than its factorization.

22331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 22331013 is about 4725.5701243342. The cubic root of 22331013 is about 281.6022635958.

Adding to 22331013 its reverse (31013322), we get a palindrome (53344335).

The spelling of 22331013 in words is "twenty-two million, three hundred thirty-one thousand, thirteen".