23222131 has 8 divisors (see below), whose sum is σ = 24065024. Its totient is φ = 22385160.

The previous prime is 23222099. The next prime is 23222137. The reversal of 23222131 is 13122232.

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

It is a cyclic number.

It is not a de Polignac number, because 23222131 - 2⁵ = 23222099 is a prime.

It is a super-2 number, since 2×23222131² = 1078534736362322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23222137) 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, 7450 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (3008128).

Almost surely, 2^23222131 is an apocalyptic number.

23222131 is a deficient number, since it is larger than the sum of its proper divisors (842893).

23222131 is a wasteful number, since it uses less digits than its factorization.

23222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961.

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

The square root of 23222131 is about 4818.9346332981. The cubic root of 23222131 is about 285.2992895751.

Adding to 23222131 its reverse (13122232), we get a palindrome (36344363).

The spelling of 23222131 in words is "twenty-three million, two hundred twenty-two thousand, one hundred thirty-one".