4222206 has 40 divisors (see below), whose sum is σ = 9626760. Its totient is φ = 1382832.

The previous prime is 4222177. The next prime is 4222219. The reversal of 4222206 is 6022224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10660 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (240669).

Almost surely, 2^4222206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4813380).

4222206 is an abundant number, since it is smaller than the sum of its proper divisors (5404554).

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

4222206 is a wasteful number, since it uses less digits than its factorization.

4222206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4222206 is about 2054.8007202646. The cubic root of 4222206 is about 161.6267125319.

Adding to 4222206 its sum of digits (18), we get a palindrome (4222224).

It can be divided in two parts, 422 and 2206, that added together give a triangular number (2628 = T₇₂).

The spelling of 4222206 in words is "four million, two hundred twenty-two thousand, two hundred six".