4209222 has 16 divisors (see below), whose sum is σ = 8861760. Its totient is φ = 1329192.

The previous prime is 4209221. The next prime is 4209223. The reversal of 4209222 is 2229024.

It is an interprime number because it is at equal distance from previous prime (4209221) and next prime (4209223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18348 + ... + 18575.

It is an arithmetic number, because the mean of its divisors is an integer number (553860).

Almost surely, 2^4209222 is an apocalyptic number.

4209222 is an abundant number, since it is smaller than the sum of its proper divisors (4652538).

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

4209222 is a wasteful number, since it uses less digits than its factorization.

4209222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36947.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4209222 is about 2051.6388571091. The cubic root of 4209222 is about 161.4608658897.

The spelling of 4209222 in words is "four million, two hundred nine thousand, two hundred twenty-two".