418422 has 8 divisors (see below), whose sum is σ = 836856. Its totient is φ = 139472.

The previous prime is 418391. The next prime is 418423. The reversal of 418422 is 224814.

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

418422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418423) 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, 34863 + ... + 34874.

It is an arithmetic number, because the mean of its divisors is an integer number (104607).

2⁴¹⁸⁴²² is an apocalyptic number.

418422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

418422 is a wasteful number, since it uses less digits than its factorization.

418422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69742.

The product of its digits is 512, while the sum is 21.

The square root of 418422 is about 646.8554707197. The cubic root of 418422 is about 74.7948169552.

The spelling of 418422 in words is "four hundred eighteen thousand, four hundred twenty-two".