2281020 has 48 divisors (see below), whose sum is σ = 7300608. Its totient is φ = 521280.

The previous prime is 2281003. The next prime is 2281033. The reversal of 2281020 is 201822.

2281020 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 (15).

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 15 ways as a sum of consecutive naturals, for example, 2296 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (152096).

2^2281020 is an apocalyptic number.

2281020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281020 is an abundant number, since it is smaller than the sum of its proper divisors (5019588).

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

2281020 is a wasteful number, since it uses less digits than its factorization.

2281020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2281020 is about 1510.3046050383. The cubic root of 2281020 is about 131.6365114584.

Adding to 2281020 its reverse (201822), we get a palindrome (2482842).

The spelling of 2281020 in words is "two million, two hundred eighty-one thousand, twenty".