1322277668 has 12 divisors (see below), whose sum is σ = 2343277440. Its totient is φ = 652769832.

The previous prime is 1322277661. The next prime is 1322277673. The reversal of 1322277668 is 8667722231.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1322277661) 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, 2091896 + ... + 2092527.

It is an arithmetic number, because the mean of its divisors is an integer number (195273120).

Almost surely, 2^1322277668 is an apocalyptic number.

It is an amenable number.

1322277668 is a deficient number, since it is larger than the sum of its proper divisors (1020999772).

1322277668 is a wasteful number, since it uses less digits than its factorization.

1322277668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184506 (or 4184504 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 1322277668 is about 36363.1361133772. The cubic root of 1322277668 is about 1097.5918857348.

Adding to 1322277668 its reverse (8667722231), we get a palindrome (9989999899).

The spelling of 1322277668 in words is "one billion, three hundred twenty-two million, two hundred seventy-seven thousand, six hundred sixty-eight".