1422272143 has 4 divisors (see below), whose sum is σ = 1471316040. Its totient is φ = 1373228248.

The previous prime is 1422272099. The next prime is 1422272197. The reversal of 1422272143 is 3412722241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412722241 = 271 ⋅12593071.

It is a cyclic number.

It is not a de Polignac number, because 1422272143 - 2¹³ = 1422263951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422272443) 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, 24521905 + ... + 24521962.

It is an arithmetic number, because the mean of its divisors is an integer number (367829010).

Almost surely, 2^1422272143 is an apocalyptic number.

1422272143 is a deficient number, since it is larger than the sum of its proper divisors (49043897).

1422272143 is an equidigital number, since it uses as much as digits as its factorization.

1422272143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49043896.

The product of its digits is 5376, while the sum is 28.

The square root of 1422272143 is about 37713.0235197339. The cubic root of 1422272143 is about 1124.5900446696.

Adding to 1422272143 its reverse (3412722241), we get a palindrome (4834994384).

The spelling of 1422272143 in words is "one billion, four hundred twenty-two million, two hundred seventy-two thousand, one hundred forty-three".