1322121224 has 16 divisors (see below), whose sum is σ = 2480965200. Its totient is φ = 660530512.

The previous prime is 1322121179. The next prime is 1322121239. The reversal of 1322121224 is 4221212231.

It is a junction number, because it is equal to n+sod(n) for n = 1322121196 and 1322121205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55562 + ... + 75705.

It is an arithmetic number, because the mean of its divisors is an integer number (155060325).

Almost surely, 2^1322121224 is an apocalyptic number.

It is an amenable number.

1322121224 is a deficient number, since it is larger than the sum of its proper divisors (1158843976).

1322121224 is a wasteful number, since it uses less digits than its factorization.

1322121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132532 (or 132528 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1322121224 is about 36360.9849151532. The cubic root of 1322121224 is about 1097.5485971877.

Adding to 1322121224 its reverse (4221212231), we get a palindrome (5543333455).

The spelling of 1322121224 in words is "one billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-four".