22228174 has 4 divisors (see below), whose sum is σ = 33342264. Its totient is φ = 11114086.

The previous prime is 22228169. The next prime is 22228207. The reversal of 22228174 is 47182222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5557042 + ... + 5557045.

It is an arithmetic number, because the mean of its divisors is an integer number (8335566).

Almost surely, 2^22228174 is an apocalyptic number.

22228174 is a deficient number, since it is larger than the sum of its proper divisors (11114090).

22228174 is a wasteful number, since it uses less digits than its factorization.

22228174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114089.

The product of its digits is 3584, while the sum is 28.

The square root of 22228174 is about 4714.6764470110. The cubic root of 22228174 is about 281.1693191457.

The spelling of 22228174 in words is "twenty-two million, two hundred twenty-eight thousand, one hundred seventy-four".