4224620 has 12 divisors (see below), whose sum is σ = 8871744. Its totient is φ = 1689840.

The previous prime is 4224613. The next prime is 4224629. The reversal of 4224620 is 264224.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 211231 = 4224620 / (4 + 2 + 2 + 4 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4224592 and 4224601.

It is not an unprimeable number, because it can be changed into a prime (4224629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105596 + ... + 105635.

It is an arithmetic number, because the mean of its divisors is an integer number (739312).

Almost surely, 2^4224620 is an apocalyptic number.

It is an amenable number.

4224620 is an abundant number, since it is smaller than the sum of its proper divisors (4647124).

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

4224620 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4224620 = (2426024)₁₁.

4224620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211240 (or 211238 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4224620 is about 2055.3880412224. The cubic root of 4224620 is about 161.6575094304.

Adding to 4224620 its reverse (264224), we get a palindrome (4488844).

The spelling of 4224620 in words is "four million, two hundred twenty-four thousand, six hundred twenty".