2322281 has 8 divisors (see below), whose sum is σ = 2562504. Its totient is φ = 2090880.

The previous prime is 2322269. The next prime is 2322283. The reversal of 2322281 is 1822232.

It can be written as a sum of positive squares in 4 ways, for example, as 193600 + 2128681 = 440^2 + 1459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2322281 - 2¹⁸ = 2060137 is a prime.

It is a super-2 number, since 2×2322281² = 10785978085922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (320313).

2^2322281 is an apocalyptic number.

It is an amenable number.

2322281 is a deficient number, since it is larger than the sum of its proper divisors (240223).

2322281 is a wasteful number, since it uses less digits than its factorization.

2322281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411.

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

The square root of 2322281 is about 1523.9032121496. The cubic root of 2322281 is about 132.4254903262.

The spelling of 2322281 in words is "two million, three hundred twenty-two thousand, two hundred eighty-one".