2822531 has 4 divisors (see below), whose sum is σ = 2868864. Its totient is φ = 2776200.

The previous prime is 2822513. The next prime is 2822539. The reversal of 2822531 is 1352282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822531 is a prime.

It is a super-2 number, since 2×2822531² = 15933362491922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁶ + 8³ + 2¹⁸ + 2²¹ + 5⁸ + 3⁸ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2822497 and 2822506.

It is not an unprimeable number, because it can be changed into a prime (2822539) 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, 23075 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (717216).

2^2822531 is an apocalyptic number.

2822531 is a deficient number, since it is larger than the sum of its proper divisors (46333).

2822531 is an equidigital number, since it uses as much as digits as its factorization.

2822531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46332.

The product of its digits is 960, while the sum is 23.

The square root of 2822531 is about 1680.0389876428. The cubic root of 2822531 is about 141.3230191288.

The spelling of 2822531 in words is "two million, eight hundred twenty-two thousand, five hundred thirty-one".