420422174 has 8 divisors (see below), whose sum is σ = 631179000. Its totient is φ = 210029176.

The previous prime is 420422173. The next prime is 420422209. The reversal of 420422174 is 471224024.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420422173) 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 3 ways as a sum of consecutive naturals, for example, 88049 + ... + 92700.

It is an arithmetic number, because the mean of its divisors is an integer number (78897375).

Almost surely, 2^420422174 is an apocalyptic number.

420422174 is a deficient number, since it is larger than the sum of its proper divisors (210756826).

420422174 is a wasteful number, since it uses less digits than its factorization.

420422174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181914.

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

The square root of 420422174 is about 20504.1989358278. The cubic root of 420422174 is about 749.1380759027.

Adding to 420422174 its reverse (471224024), we get a palindrome (891646198).

The spelling of 420422174 in words is "four hundred twenty million, four hundred twenty-two thousand, one hundred seventy-four".