2928222 has 48 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 847440.

The previous prime is 2928209. The next prime is 2928227. The reversal of 2928222 is 2228292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928227) 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 23 ways as a sum of consecutive naturals, for example, 4233 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (150696).

2^2928222 is an apocalyptic number.

2928222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2928222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616704).

2928222 is an abundant number, since it is smaller than the sum of its proper divisors (4305186).

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

2928222 is a wasteful number, since it uses less digits than its factorization.

2928222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 682 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2928222 is about 1711.2048387028. The cubic root of 2928222 is about 143.0654174424.

The spelling of 2928222 in words is "two million, nine hundred twenty-eight thousand, two hundred twenty-two".