23422213 has 4 divisors (see below), whose sum is σ = 23438380. Its totient is φ = 23406048.

The previous prime is 23422207. The next prime is 23422241. The reversal of 23422213 is 31222432.

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 14760964 + 8661249 = 3842^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422213 - 2⁵ = 23422181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422253) 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 3 ways as a sum of consecutive naturals, for example, 5670 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (5859595).

Almost surely, 2^23422213 is an apocalyptic number.

It is an amenable number.

23422213 is a deficient number, since it is larger than the sum of its proper divisors (16167).

23422213 is a wasteful number, since it uses less digits than its factorization.

23422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16166.

The product of its digits is 576, while the sum is 19.

The square root of 23422213 is about 4839.6500906574. The cubic root of 23422213 is about 286.1163275624.

Adding to 23422213 its reverse (31222432), we get a palindrome (54644645).

The spelling of 23422213 in words is "twenty-three million, four hundred twenty-two thousand, two hundred thirteen".