1422111131 has 4 divisors (see below), whose sum is σ = 1625269872. Its totient is φ = 1218952392.

The previous prime is 1422111109. The next prime is 1422111157. The reversal of 1422111131 is 1311112241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311112241 = 313 ⋅4188857.

It is not a de Polignac number, because 1422111131 - 2²² = 1417916827 is a prime.

It is a super-2 number, since 2×1422111131² = 4044800137828198322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422111191) 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, 101579360 + ... + 101579373.

It is an arithmetic number, because the mean of its divisors is an integer number (406317468).

Almost surely, 2^1422111131 is an apocalyptic number.

1422111131 is a deficient number, since it is larger than the sum of its proper divisors (203158741).

1422111131 is an equidigital number, since it uses as much as digits as its factorization.

1422111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203158740.

The product of its digits is 48, while the sum is 17.

The square root of 1422111131 is about 37710.8887590839. Note that the first 3 decimals coincide. The cubic root of 1422111131 is about 1124.5476056923.

Adding to 1422111131 its reverse (1311112241), we get a palindrome (2733223372).

It can be divided in two parts, 14221 and 11131, that added together give a palindrome (25352).

The spelling of 1422111131 in words is "one billion, four hundred twenty-two million, one hundred eleven thousand, one hundred thirty-one".