1331343222 has 32 divisors (see below), whose sum is σ = 2931413760. Its totient is φ = 399733920.

The previous prime is 1331343203. The next prime is 1331343259. The reversal of 1331343222 is 2223431331.

It is a junction number, because it is equal to n+sod(n) for n = 1331343192 and 1331343201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85338 + ... + 99725.

It is an arithmetic number, because the mean of its divisors is an integer number (91606680).

Almost surely, 2^1331343222 is an apocalyptic number.

1331343222 is an abundant number, since it is smaller than the sum of its proper divisors (1600070538).

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

1331343222 is a wasteful number, since it uses less digits than its factorization.

1331343222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185188.

The product of its digits is 2592, while the sum is 24.

The square root of 1331343222 is about 36487.5762691906. The cubic root of 1331343222 is about 1100.0945433891.

Adding to 1331343222 its reverse (2223431331), we get a palindrome (3554774553).

The spelling of 1331343222 in words is "one billion, three hundred thirty-one million, three hundred forty-three thousand, two hundred twenty-two".