1322233391 has 2 divisors, whose sum is σ = 1322233392. Its totient is φ = 1322233390.

The previous prime is 1322233379. The next prime is 1322233397. The reversal of 1322233391 is 1933322231.

It is a strong prime.

It is an emirp because it is prime and its reverse (1933322231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322233391 - 2¹⁸ = 1321971247 is a prime.

It is a super-2 number, since 2×1322233391² = 3496602280550717762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322233397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661116695 + 661116696.

It is an arithmetic number, because the mean of its divisors is an integer number (661116696).

Almost surely, 2^1322233391 is an apocalyptic number.

1322233391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322233391 is an equidigital number, since it uses as much as digits as its factorization.

1322233391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 1322233391 is about 36362.5272911551. The cubic root of 1322233391 is about 1097.5796344960.

The spelling of 1322233391 in words is "one billion, three hundred twenty-two million, two hundred thirty-three thousand, three hundred ninety-one".