2422681 has 6 divisors (see below), whose sum is σ = 2504346. Its totient is φ = 2343600.

The previous prime is 2422661. The next prime is 2422691. The reversal of 2422681 is 1862242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 1177225 = 1116^2 + 1085^2 .

It is not a de Polignac number, because 2422681 - 2⁹ = 2422169 is a prime.

It is a super-2 number, since 2×2422681² = 11738766455522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2422621) 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 5 ways as a sum of consecutive naturals, for example, 300 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (417391).

2^2422681 is an apocalyptic number.

It is an amenable number.

2422681 is a deficient number, since it is larger than the sum of its proper divisors (81665).

2422681 is an equidigital number, since it uses as much as digits as its factorization.

2422681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2552 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2422681 is about 1556.4963861185. The cubic root of 2422681 is about 134.3070296954.

The spelling of 2422681 in words is "two million, four hundred twenty-two thousand, six hundred eighty-one".