4522820 has 12 divisors (see below), whose sum is σ = 9497964. Its totient is φ = 1809120.

The previous prime is 4522787. The next prime is 4522831. The reversal of 4522820 is 282254.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 2408704 = 1454^2 + 1552^2 .

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 unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113051 + ... + 113090.

It is an arithmetic number, because the mean of its divisors is an integer number (791497).

Almost surely, 2^4522820 is an apocalyptic number.

It is an amenable number.

4522820 is an abundant number, since it is smaller than the sum of its proper divisors (4975144).

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

4522820 is a wasteful number, since it uses less digits than its factorization.

4522820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226150 (or 226148 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4522820 is about 2126.6922673485. The cubic root of 4522820 is about 165.3749660302.

The spelling of 4522820 in words is "four million, five hundred twenty-two thousand, eight hundred twenty".