4777220 has 24 divisors (see below), whose sum is σ = 11465664. Its totient is φ = 1637856.

The previous prime is 4777219. The next prime is 4777237. The reversal of 4777220 is 227774.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 16922 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (477736).

Almost surely, 2^4777220 is an apocalyptic number.

It is an amenable number.

4777220 is an abundant number, since it is smaller than the sum of its proper divisors (6688444).

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

4777220 is a wasteful number, since it uses less digits than its factorization.

4777220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34139 (or 34137 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 4777220 is about 2185.6852472394. The cubic root of 4777220 is about 168.4192570738.

The spelling of 4777220 in words is "four million, seven hundred seventy-seven thousand, two hundred twenty".