2301220 has 12 divisors (see below), whose sum is σ = 4832604. Its totient is φ = 920480.

The previous prime is 2301217. The next prime is 2301227. The reversal of 2301220 is 221032.

It can be written as a sum of positive squares in 2 ways, for example, as 553536 + 1747684 = 744^2 + 1322^2 .

It is a super-2 number, since 2×2301220² = 10591226976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2301197 and 2301206.

It is not an unprimeable number, because it can be changed into a prime (2301227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57511 + ... + 57550.

It is an arithmetic number, because the mean of its divisors is an integer number (402717).

2^2301220 is an apocalyptic number.

2301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301220 is an abundant number, since it is smaller than the sum of its proper divisors (2531384).

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

2301220 is a wasteful number, since it uses less digits than its factorization.

2301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115070 (or 115068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2301220 is about 1516.9772575751. The cubic root of 2301220 is about 132.0239472928.

Adding to 2301220 its reverse (221032), we get a palindrome (2522252).

It can be divided in two parts, 23012 and 20, that added together give a palindrome (23032).

The spelling of 2301220 in words is "two million, three hundred one thousand, two hundred twenty".