22681842 has 32 divisors (see below), whose sum is σ = 48859200. Its totient is φ = 6993408.

The previous prime is 22681837. The next prime is 22681843. The reversal of 22681842 is 24818622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22681843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4134 + ... + 7902.

It is an arithmetic number, because the mean of its divisors is an integer number (1526850).

Almost surely, 2^22681842 is an apocalyptic number.

22681842 is an abundant number, since it is smaller than the sum of its proper divisors (26177358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22681842 is a wasteful number, since it uses less digits than its factorization.

22681842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850.

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

The square root of 22681842 is about 4762.5457478118. The cubic root of 22681842 is about 283.0693017441.

The spelling of 22681842 in words is "twenty-two million, six hundred eighty-one thousand, eight hundred forty-two".