20222174 has 8 divisors (see below), whose sum is σ = 34666608. Its totient is φ = 8666640.

The previous prime is 20222161. The next prime is 20222179. The reversal of 20222174 is 47122202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222179) 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, 722207 + ... + 722234.

It is an arithmetic number, because the mean of its divisors is an integer number (4333326).

Almost surely, 2^20222174 is an apocalyptic number.

20222174 is a deficient number, since it is larger than the sum of its proper divisors (14444434).

20222174 is a wasteful number, since it uses less digits than its factorization.

20222174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444450.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 20222174 is about 4496.9071593708. The cubic root of 20222174 is about 272.4431842944.

Adding to 20222174 its reverse (47122202), we get a palindrome (67344376).

The spelling of 20222174 in words is "twenty million, two hundred twenty-two thousand, one hundred seventy-four".