22182042 has 32 divisors (see below), whose sum is σ = 48600000. Its totient is φ = 6718208.

The previous prime is 22182029. The next prime is 22182049. The reversal of 22182042 is 24028122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22182049) 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, 792 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (1518750).

Almost surely, 2^22182042 is an apocalyptic number.

22182042 is an abundant number, since it is smaller than the sum of its proper divisors (26417958).

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

22182042 is a wasteful number, since it uses less digits than its factorization.

22182042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22182042 is about 4709.7815235953. The cubic root of 22182042 is about 280.9746729789.

The spelling of 22182042 in words is "twenty-two million, one hundred eighty-two thousand, forty-two".