1331344422 has 24 divisors (see below), whose sum is σ = 2912589264. Its totient is φ = 439472304.

The previous prime is 1331344373. The next prime is 1331344423. The reversal of 1331344422 is 2244431331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331344423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357193 + ... + 360900.

It is an arithmetic number, because the mean of its divisors is an integer number (121357886).

Almost surely, 2^1331344422 is an apocalyptic number.

1331344422 is an abundant number, since it is smaller than the sum of its proper divisors (1581244842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331344422 is a wasteful number, since it uses less digits than its factorization.

1331344422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718204 (or 718201 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1331344422 is about 36487.5927131402. The cubic root of 1331344422 is about 1100.0948739106.

Adding to 1331344422 its reverse (2244431331), we get a palindrome (3575775753).

The spelling of 1331344422 in words is "one billion, three hundred thirty-one million, three hundred forty-four thousand, four hundred twenty-two".