22842681 has 8 divisors (see below), whose sum is σ = 30741984. Its totient is φ = 15085920.

The previous prime is 22842671. The next prime is 22842689. The reversal of 22842681 is 18624822.

It is a happy number.

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

It is not a de Polignac number, because 22842681 - 2⁷ = 22842553 is a prime.

It is a super-2 number, since 2×22842681² = 1043576150535522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22842689) 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, 35260 + ... + 35901.

It is an arithmetic number, because the mean of its divisors is an integer number (3842748).

Almost surely, 2^22842681 is an apocalyptic number.

It is an amenable number.

22842681 is a deficient number, since it is larger than the sum of its proper divisors (7899303).

22842681 is a wasteful number, since it uses less digits than its factorization.

22842681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71271.

The product of its digits is 12288, while the sum is 33.

The square root of 22842681 is about 4779.4017408040. The cubic root of 22842681 is about 283.7368164549.

The spelling of 22842681 in words is "twenty-two million, eight hundred forty-two thousand, six hundred eighty-one".