2220750 has 128 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 496800.

The previous prime is 2220749. The next prime is 2220773. The reversal of 2220750 is 570222.

It is a happy number.

2220750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 47227 + ... + 47273.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2^2220750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594240).

2220750 is an abundant number, since it is smaller than the sum of its proper divisors (4967730).

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

2220750 is a wasteful number, since it uses less digits than its factorization.

2220750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2220750 is about 1490.2181048424. The cubic root of 2220750 is about 130.4667638970.

Adding to 2220750 its reverse (570222), we get a palindrome (2790972).

The spelling of 2220750 in words is "two million, two hundred twenty thousand, seven hundred fifty".