23022231 has 8 divisors (see below), whose sum is σ = 30814080. Its totient is φ = 15289272.

The previous prime is 23022221. The next prime is 23022239. The reversal of 23022231 is 13222032.

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

It is not a de Polignac number, because 23022231 - 2¹¹ = 23020183 is a prime.

It is a super-2 number, since 2×23022231² = 1060046240434722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23022231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022239) 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, 13801 + ... + 15378.

It is an arithmetic number, because the mean of its divisors is an integer number (3851760).

Almost surely, 2^23022231 is an apocalyptic number.

23022231 is a deficient number, since it is larger than the sum of its proper divisors (7791849).

23022231 is a wasteful number, since it uses less digits than its factorization.

23022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29445.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23022231 is about 4798.1487054905. The cubic root of 23022231 is about 284.4782945770.

Adding to 23022231 its reverse (13222032), we get a palindrome (36244263).

The spelling of 23022231 in words is "twenty-three million, twenty-two thousand, two hundred thirty-one".