3055220 has 48 divisors (see below), whose sum is σ = 7432320. Its totient is φ = 1033344.

The previous prime is 3055211. The next prime is 3055229. The reversal of 3055220 is 225503.

3055220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3055211) and next prime (3055229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19382 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (154840).

Almost surely, 2^3055220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3055220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716160).

3055220 is an abundant number, since it is smaller than the sum of its proper divisors (4377100).

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

3055220 is a wasteful number, since it uses less digits than its factorization.

3055220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 3055220 is about 1747.9187624143. The cubic root of 3055220 is about 145.1044827605.

The spelling of 3055220 in words is "three million, fifty-five thousand, two hundred twenty".