4509222 has 16 divisors (see below), whose sum is σ = 9048240. Its totient is φ = 1498112.

The previous prime is 4509209. The next prime is 4509223. The reversal of 4509222 is 2229054.

It is a junction number, because it is equal to n+sod(n) for n = 4509192 and 4509201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509223) 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, 1054 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (565515).

Almost surely, 2^4509222 is an apocalyptic number.

4509222 is an abundant number, since it is smaller than the sum of its proper divisors (4539018).

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

4509222 is a wasteful number, since it uses less digits than its factorization.

4509222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4509222 is about 2123.4928773132. The cubic root of 4509222 is about 165.2090646512.

The spelling of 4509222 in words is "four million, five hundred nine thousand, two hundred twenty-two".