2223544231 has 4 divisors (see below), whose sum is σ = 2300218200. Its totient is φ = 2146870264.

The previous prime is 2223544201. The next prime is 2223544241. The reversal of 2223544231 is 1324453222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324453222 = 2 ⋅662226611.

It is a cyclic number.

It is not a de Polignac number, because 2223544231 - 2²¹ = 2221447079 is a prime.

It is a super-2 number, since 2×2223544231² = 9888297894426762722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223544231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223544201) 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, 38336941 + ... + 38336998.

It is an arithmetic number, because the mean of its divisors is an integer number (575054550).

Almost surely, 2^2223544231 is an apocalyptic number.

2223544231 is a deficient number, since it is larger than the sum of its proper divisors (76673969).

2223544231 is an equidigital number, since it uses as much as digits as its factorization.

2223544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76673968.

The product of its digits is 11520, while the sum is 28.

The square root of 2223544231 is about 47154.4720148577. The cubic root of 2223544231 is about 1305.2146035605.

Adding to 2223544231 its reverse (1324453222), we get a palindrome (3547997453).

It can be divided in two parts, 22235 and 44231, that added together give a palindrome (66466).

The spelling of 2223544231 in words is "two billion, two hundred twenty-three million, five hundred forty-four thousand, two hundred thirty-one".