4615220 has 12 divisors (see below), whose sum is σ = 9692004. Its totient is φ = 1846080.

The previous prime is 4615201. The next prime is 4615223. The reversal of 4615220 is 225164.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3541924 + 1073296 = 1882^2 + 1036^2 .

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: 230761 = 4615220 / (4 + 6 + 1 + 5 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4615192 and 4615201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4615223) 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, 115361 + ... + 115400.

It is an arithmetic number, because the mean of its divisors is an integer number (807667).

Almost surely, 2^4615220 is an apocalyptic number.

It is an amenable number.

4615220 is an abundant number, since it is smaller than the sum of its proper divisors (5076784).

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

4615220 is a wasteful number, since it uses less digits than its factorization.

4615220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230770 (or 230768 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4615220 is about 2148.3063096309. The cubic root of 4615220 is about 166.4935714015.

The spelling of 4615220 in words is "four million, six hundred fifteen thousand, two hundred twenty".