1347212422 has 4 divisors (see below), whose sum is σ = 2020818636. Its totient is φ = 673606210.

The previous prime is 1347212411. The next prime is 1347212453. The reversal of 1347212422 is 2242127431.

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

It is a super-2 number, since 2×1347212422² = 3629962619982212168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336803104 + ... + 336803107.

It is an arithmetic number, because the mean of its divisors is an integer number (505204659).

Almost surely, 2^1347212422 is an apocalyptic number.

1347212422 is a deficient number, since it is larger than the sum of its proper divisors (673606214).

1347212422 is an equidigital number, since it uses as much as digits as its factorization.

1347212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673606213.

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

The square root of 1347212422 is about 36704.3924074490. The cubic root of 1347212422 is about 1104.4482198368.

Adding to 1347212422 its reverse (2242127431), we get a palindrome (3589339853).

The spelling of 1347212422 in words is "one billion, three hundred forty-seven million, two hundred twelve thousand, four hundred twenty-two".