2222123431 has 64 divisors (see below), whose sum is σ = 2762035200. Its totient is φ = 1763942400.

The previous prime is 2222123429. The next prime is 2222123437. The reversal of 2222123431 is 1343212222.

2222123431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2222123431 - 2¹ = 2222123429 is a prime.

It is a super-2 number, since 2×2222123431² = 9875665085198423522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222123437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24967635 + ... + 24967723.

It is an arithmetic number, because the mean of its divisors is an integer number (43156800).

Almost surely, 2^2222123431 is an apocalyptic number.

2222123431 is a deficient number, since it is larger than the sum of its proper divisors (539911769).

2222123431 is a wasteful number, since it uses less digits than its factorization.

2222123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 1152, while the sum is 22.

The square root of 2222123431 is about 47139.4042283099. The cubic root of 2222123431 is about 1304.9365423751.

Adding to 2222123431 its reverse (1343212222), we get a palindrome (3565335653).

The spelling of 2222123431 in words is "two billion, two hundred twenty-two million, one hundred twenty-three thousand, four hundred thirty-one".