1422404231 has 4 divisors (see below), whose sum is σ = 1422705792. Its totient is φ = 1422102672.

The previous prime is 1422404227. The next prime is 1422404251. The reversal of 1422404231 is 1324042241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324042241 = 29 ⋅45656629.

It is a cyclic number.

It is not a de Polignac number, because 1422404231 - 2² = 1422404227 is a prime.

It is a super-2 number, since 2×1422404231² = 4046467592733402722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422404197 and 1422404206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422404251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143591 + ... + 153176.

It is an arithmetic number, because the mean of its divisors is an integer number (355676448).

Almost surely, 2^1422404231 is an apocalyptic number.

1422404231 is a deficient number, since it is larger than the sum of its proper divisors (301561).

1422404231 is an equidigital number, since it uses as much as digits as its factorization.

1422404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301560.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1422404231 is about 37714.7747043516. The cubic root of 1422404231 is about 1124.6248575691.

Adding to 1422404231 its reverse (1324042241), we get a palindrome (2746446472).

The spelling of 1422404231 in words is "one billion, four hundred twenty-two million, four hundred four thousand, two hundred thirty-one".