1322333221 has 8 divisors (see below), whose sum is σ = 1451185344. Its totient is φ = 1194921120.

The previous prime is 1322333209. The next prime is 1322333231. The reversal of 1322333221 is 1223332231.

It is the 14846-th star number.

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

It is a cyclic number.

It is not a de Polignac number, because 1322333221 - 2¹³ = 1322325029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322333192 and 1322333201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322333231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358080 + ... + 361753.

It is an arithmetic number, because the mean of its divisors is an integer number (181398168).

Almost surely, 2^1322333221 is an apocalyptic number.

1322333221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322333221 is a deficient number, since it is larger than the sum of its proper divisors (128852123).

1322333221 is a wasteful number, since it uses less digits than its factorization.

1322333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720011.

The product of its digits is 1296, while the sum is 22.

The square root of 1322333221 is about 36363.8999696127. The cubic root of 1322333221 is about 1097.6072566033.

Adding to 1322333221 its reverse (1223332231), we get a palindrome (2545665452).

The spelling of 1322333221 in words is "one billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty-one".