1422312443 has 8 divisors (see below), whose sum is σ = 1427204400. Its totient is φ = 1417429728.

The previous prime is 1422312439. The next prime is 1422312473. The reversal of 1422312443 is 3442132241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422312443 - 2² = 1422312439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422312403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435605 + ... + 438857.

It is an arithmetic number, because the mean of its divisors is an integer number (178400550).

Almost surely, 2^1422312443 is an apocalyptic number.

1422312443 is a deficient number, since it is larger than the sum of its proper divisors (4891957).

1422312443 is an equidigital number, since it uses as much as digits as its factorization.

1422312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621.

The product of its digits is 4608, while the sum is 26.

The square root of 1422312443 is about 37713.5578141336. The cubic root of 1422312443 is about 1124.6006663009.

Adding to 1422312443 its reverse (3442132241), we get a palindrome (4864444684).

The spelling of 1422312443 in words is "one billion, four hundred twenty-two million, three hundred twelve thousand, four hundred forty-three".