4492220 has 12 divisors (see below), whose sum is σ = 9433704. Its totient is φ = 1796880.

The previous prime is 4492211. The next prime is 4492231. The reversal of 4492220 is 222944.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112286 + ... + 112325.

It is an arithmetic number, because the mean of its divisors is an integer number (786142).

Almost surely, 2^4492220 is an apocalyptic number.

It is an amenable number.

4492220 is an abundant number, since it is smaller than the sum of its proper divisors (4941484).

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

4492220 is a wasteful number, since it uses less digits than its factorization.

4492220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224620 (or 224618 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4492220 is about 2119.4857866945. The cubic root of 4492220 is about 165.0011631384.

The spelling of 4492220 in words is "four million, four hundred ninety-two thousand, two hundred twenty".