1322352981 has 6 divisors (see below), whose sum is σ = 1910065430. Its totient is φ = 881568648.

The previous prime is 1322352949. The next prime is 1322353003. The reversal of 1322352981 is 1892532231.

1322352981 is a `hidden beast` number, since 1 + 32 + 23 + 529 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1296648081 + 25704900 = 36009^2 + 5070^2 .

It is not a de Polignac number, because 1322352981 - 2⁵ = 1322352949 is a prime.

It is a super-2 number, since 2×1322352981² = 3497234812719172722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322352181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73464046 + ... + 73464063.

Almost surely, 2^1322352981 is an apocalyptic number.

It is an amenable number.

1322352981 is a deficient number, since it is larger than the sum of its proper divisors (587712449).

1322352981 is a wasteful number, since it uses less digits than its factorization.

1322352981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146928115 (or 146928112 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1322352981 is about 36364.1716666281. The cubic root of 1322352981 is about 1097.6127238614.

The spelling of 1322352981 in words is "one billion, three hundred twenty-two million, three hundred fifty-two thousand, nine hundred eighty-one".