1322233421 has 4 divisors (see below), whose sum is σ = 1364886144. Its totient is φ = 1279580700.

The previous prime is 1322233397. The next prime is 1322233447. The reversal of 1322233421 is 1243322231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1322233421 - 2¹⁴ = 1322217037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327233421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21326315 + ... + 21326376.

It is an arithmetic number, because the mean of its divisors is an integer number (341221536).

Almost surely, 2^1322233421 is an apocalyptic number.

It is an amenable number.

1322233421 is a deficient number, since it is larger than the sum of its proper divisors (42652723).

1322233421 is an equidigital number, since it uses as much as digits as its factorization.

1322233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42652722.

The product of its digits is 1728, while the sum is 23.

The square root of 1322233421 is about 36362.5277036677. The cubic root of 1322233421 is about 1097.5796427970.

Adding to 1322233421 its reverse (1243322231), we get a palindrome (2565555652).

The spelling of 1322233421 in words is "one billion, three hundred twenty-two million, two hundred thirty-three thousand, four hundred twenty-one".