2322981 has 6 divisors (see below), whose sum is σ = 3355430. Its totient is φ = 1548648.

The previous prime is 2322973. The next prime is 2323001. The reversal of 2322981 is 1892232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 476100 = 1359^2 + 690^2 .

It is not a de Polignac number, because 2322981 - 2³ = 2322973 is a prime.

It is a super-2 number, since 2×2322981² = 10792481452722, 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 (2322911) 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, 129046 + ... + 129063.

2^2322981 is an apocalyptic number.

It is an amenable number.

2322981 is a deficient number, since it is larger than the sum of its proper divisors (1032449).

2322981 is a wasteful number, since it uses less digits than its factorization.

2322981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258115 (or 258112 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2322981 is about 1524.1328682238. The cubic root of 2322981 is about 132.4387945632.

The spelling of 2322981 in words is "two million, three hundred twenty-two thousand, nine hundred eighty-one".