22232113 has 4 divisors (see below), whose sum is σ = 22264180. Its totient is φ = 22200048.

The previous prime is 22232087. The next prime is 22232117. The reversal of 22232113 is 31123222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 12794929 = 3072^2 + 3577^2 .

It is a cyclic number.

It is not a de Polignac number, because 22232113 - 2¹³ = 22223921 is a prime.

It is a super-3 number, since 3×22232113³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14970 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (5566045).

Almost surely, 2^22232113 is an apocalyptic number.

It is an amenable number.

22232113 is a deficient number, since it is larger than the sum of its proper divisors (32067).

22232113 is an equidigital number, since it uses as much as digits as its factorization.

22232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32066.

The product of its digits is 144, while the sum is 16.

The square root of 22232113 is about 4715.0941666100. The cubic root of 22232113 is about 281.1859266058.

Adding to 22232113 its reverse (31123222), we get a palindrome (53355335).

The spelling of 22232113 in words is "twenty-two million, two hundred thirty-two thousand, one hundred thirteen".