2105422231 has 16 divisors (see below), whose sum is σ = 2402346240. Its totient is φ = 1826478720.

The previous prime is 2105422229. The next prime is 2105422237. The reversal of 2105422231 is 1322245012.

It is a happy number.

It is not a de Polignac number, because 2105422231 - 2¹ = 2105422229 is a prime.

It is a super-2 number, since 2×2105422231² = 8865605541578034722, 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 (2105422237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99940 + ... + 119158.

It is an arithmetic number, because the mean of its divisors is an integer number (150146640).

Almost surely, 2^2105422231 is an apocalyptic number.

2105422231 is a deficient number, since it is larger than the sum of its proper divisors (296924009).

2105422231 is a wasteful number, since it uses less digits than its factorization.

2105422231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2105422231 is about 45884.8802003449. The cubic root of 2105422231 is about 1281.6803758523.

Adding to 2105422231 its reverse (1322245012), we get a palindrome (3427667243).

The spelling of 2105422231 in words is "two billion, one hundred five million, four hundred twenty-two thousand, two hundred thirty-one".