1322243421 has 32 divisors (see below), whose sum is σ = 1905024000. Its totient is φ = 813068928.

The previous prime is 1322243413. The next prime is 1322243423. The reversal of 1322243421 is 1243422231.

It is a happy number.

It is not a de Polignac number, because 1322243421 - 2³ = 1322243413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322243391 and 1322243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322243423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001800 + ... + 1003118.

It is an arithmetic number, because the mean of its divisors is an integer number (59532000).

Almost surely, 2^1322243421 is an apocalyptic number.

It is an amenable number.

1322243421 is a deficient number, since it is larger than the sum of its proper divisors (582780579).

1322243421 is a wasteful number, since it uses less digits than its factorization.

1322243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 2304, while the sum is 24.

The square root of 1322243421 is about 36362.6652076000. The cubic root of 1322243421 is about 1097.5824097741.

Adding to 1322243421 its reverse (1243422231), we get a palindrome (2565665652).

The spelling of 1322243421 in words is "one billion, three hundred twenty-two million, two hundred forty-three thousand, four hundred twenty-one".