1322021132 has 12 divisors (see below), whose sum is σ = 2315749800. Its totient is φ = 660378336.

The previous prime is 1322021131. The next prime is 1322021143. The reversal of 1322021132 is 2311202231.

It is a super-2 number, since 2×1322021132² = 3495479746909122848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322021132.

It is not an unprimeable number, because it can be changed into a prime (1322021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153338 + ... + 161729.

It is an arithmetic number, because the mean of its divisors is an integer number (192979150).

Almost surely, 2^1322021132 is an apocalyptic number.

It is an amenable number.

1322021132 is a deficient number, since it is larger than the sum of its proper divisors (993728668).

1322021132 is a wasteful number, since it uses less digits than its factorization.

1322021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316120 (or 316118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322021132 is about 36359.6085237451. The cubic root of 1322021132 is about 1097.5208996250.

Adding to 1322021132 its reverse (2311202231), we get a palindrome (3633223363).

The spelling of 1322021132 in words is "one billion, three hundred twenty-two million, twenty-one thousand, one hundred thirty-two".