22084142 has 16 divisors (see below), whose sum is σ = 33762960. Its totient is φ = 10831872.

The previous prime is 22084141. The next prime is 22084151. The reversal of 22084142 is 24148022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22084141) 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, 28334 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (2110185).

Almost surely, 2^22084142 is an apocalyptic number.

22084142 is a deficient number, since it is larger than the sum of its proper divisors (11678818).

22084142 is a wasteful number, since it uses less digits than its factorization.

22084142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 22084142 is about 4699.3767671895. The cubic root of 22084142 is about 280.5607046614.

The spelling of 22084142 in words is "twenty-two million, eighty-four thousand, one hundred forty-two".