1422512131 has 4 divisors (see below), whose sum is σ = 1445832064. Its totient is φ = 1399192200.

The previous prime is 1422512093. The next prime is 1422512149. The reversal of 1422512131 is 1312152241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422512131 - 2⁹ = 1422511619 is a prime.

It is a super-2 number, since 2×1422512131² = 4047081525684322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422512191) 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, 11659875 + ... + 11659996.

It is an arithmetic number, because the mean of its divisors is an integer number (361458016).

Almost surely, 2^1422512131 is an apocalyptic number.

1422512131 is a deficient number, since it is larger than the sum of its proper divisors (23319933).

1422512131 is an equidigital number, since it uses as much as digits as its factorization.

1422512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319932.

The product of its digits is 480, while the sum is 22.

The square root of 1422512131 is about 37716.2051511018. The cubic root of 1422512131 is about 1124.6532939192.

Adding to 1422512131 its reverse (1312152241), we get a palindrome (2734664372).

The spelling of 1422512131 in words is "one billion, four hundred twenty-two million, five hundred twelve thousand, one hundred thirty-one".