1322232121 has 12 divisors (see below), whose sum is σ = 1538771088. Its totient is φ = 1132852392.

The previous prime is 1322232113. The next prime is 1322232139. The reversal of 1322232121 is 1212322231.

It is not a de Polignac number, because 1322232121 - 2³ = 1322232113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322232101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151930 + ... + 160396.

It is an arithmetic number, because the mean of its divisors is an integer number (128230924).

Almost surely, 2^1322232121 is an apocalyptic number.

It is an amenable number.

1322232121 is a deficient number, since it is larger than the sum of its proper divisors (216538967).

1322232121 is an equidigital number, since it uses as much as digits as its factorization.

1322232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668 (or 11661 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1322232121 is about 36362.5098281183. The cubic root of 1322232121 is about 1097.5792830889.

Adding to 1322232121 its reverse (1212322231), we get a palindrome (2534554352).

The spelling of 1322232121 in words is "one billion, three hundred twenty-two million, two hundred thirty-two thousand, one hundred twenty-one".