1345431422 has 8 divisors (see below), whose sum is σ = 2048268936. Its totient is φ = 662675112.

The previous prime is 1345431421. The next prime is 1345431427. The reversal of 1345431422 is 2241345431.

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

It is a super-2 number, since 2×1345431422² = 3620371422609884168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345431421) 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, 5020133 + ... + 5020400.

It is an arithmetic number, because the mean of its divisors is an integer number (256033617).

Almost surely, 2^1345431422 is an apocalyptic number.

1345431422 is a deficient number, since it is larger than the sum of its proper divisors (702837514).

1345431422 is a wasteful number, since it uses less digits than its factorization.

1345431422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040602.

The product of its digits is 11520, while the sum is 29.

The square root of 1345431422 is about 36680.1229823456. The cubic root of 1345431422 is about 1103.9613157479.

Adding to 1345431422 its reverse (2241345431), we get a palindrome (3586776853).

The spelling of 1345431422 in words is "one billion, three hundred forty-five million, four hundred thirty-one thousand, four hundred twenty-two".