2220284 has 12 divisors (see below), whose sum is σ = 4238808. Its totient is φ = 1009200.

The previous prime is 2220277. The next prime is 2220289. The reversal of 2220284 is 4820222.

2220284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2220284² = 9859322081312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25187 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (353234).

2^2220284 is an apocalyptic number.

It is an amenable number.

2220284 is a deficient number, since it is larger than the sum of its proper divisors (2018524).

2220284 is a wasteful number, since it uses less digits than its factorization.

2220284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50476 (or 50474 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2220284 is about 1490.0617436872. The cubic root of 2220284 is about 130.4576375861.

The spelling of 2220284 in words is "two million, two hundred twenty thousand, two hundred eighty-four".