422216 has 16 divisors (see below), whose sum is σ = 801900. Its totient is φ = 208384.

The previous prime is 422209. The next prime is 422231. The reversal of 422216 is 612224.

It can be written as a sum of positive squares in 2 ways, for example, as 417316 + 4900 = 646^2 + 70^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422194 and 422203.

It is an unprimeable number.

422216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416 + ... + 1008.

2⁴²²²¹⁶ is an apocalyptic number.

It is an amenable number.

422216 is a deficient number, since it is larger than the sum of its proper divisors (379684).

422216 is a wasteful number, since it uses less digits than its factorization.

422216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 422216 is about 649.7815017373. The cubic root of 422216 is about 75.0202019653.

The spelling of 422216 in words is "four hundred twenty-two thousand, two hundred sixteen".