4534220 has 24 divisors (see below), whose sum is σ = 9936864. Its totient is φ = 1734656.

The previous prime is 4534199. The next prime is 4534247. The reversal of 4534220 is 224354.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4534192 and 4534201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4469 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (414036).

Almost surely, 2^4534220 is an apocalyptic number.

It is an amenable number.

4534220 is an abundant number, since it is smaller than the sum of its proper divisors (5402644).

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

4534220 is a wasteful number, since it uses less digits than its factorization.

4534220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4534220 is about 2129.3707990860. The cubic root of 4534220 is about 165.5137948177.

Adding to 4534220 its reverse (224354), we get a palindrome (4758574).

The spelling of 4534220 in words is "four million, five hundred thirty-four thousand, two hundred twenty".