20174422 has 8 divisors (see below), whose sum is σ = 30544776. Its totient is φ = 9992832.

The previous prime is 20174417. The next prime is 20174423. The reversal of 20174422 is 22447102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20174393 and 20174402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20174423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46923 + ... + 47350.

It is an arithmetic number, because the mean of its divisors is an integer number (3818097).

Almost surely, 2^20174422 is an apocalyptic number.

20174422 is a deficient number, since it is larger than the sum of its proper divisors (10370354).

20174422 is a wasteful number, since it uses less digits than its factorization.

20174422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94382.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 20174422 is about 4491.5945943507. The cubic root of 20174422 is about 272.2285690470.

The spelling of 20174422 in words is "twenty million, one hundred seventy-four thousand, four hundred twenty-two".