22174442 has 16 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 10796352.

The previous prime is 22174441. The next prime is 22174457. The reversal of 22174442 is 24447122.

It is a super-2 number, since 2×22174442² = 983411756022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22174441) 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, 12503 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 2^22174442 is an apocalyptic number.

22174442 is a deficient number, since it is larger than the sum of its proper divisors (11970838).

22174442 is a wasteful number, since it uses less digits than its factorization.

22174442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its digits is 3584, while the sum is 26.

The square root of 22174442 is about 4708.9746229938. The cubic root of 22174442 is about 280.9425801800.

The spelling of 22174442 in words is "twenty-two million, one hundred seventy-four thousand, four hundred forty-two".