2220715 has 16 divisors (see below), whose sum is σ = 3094272. Its totient is φ = 1498464.

The previous prime is 2220697. The next prime is 2220731. The reversal of 2220715 is 5170222.

2220715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2220715 - 2⁹ = 2220203 is a prime.

It is a super-2 number, since 2×2220715² = 9863150222450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220692 and 2220701.

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, 1872 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (193392).

2^2220715 is an apocalyptic number.

2220715 is a deficient number, since it is larger than the sum of its proper divisors (873557).

2220715 is an equidigital number, since it uses as much as digits as its factorization.

2220715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2220715 is about 1490.2063615486. The cubic root of 2220715 is about 130.4660784888.

Adding to 2220715 its reverse (5170222), we get a palindrome (7390937).

It can be divided in two parts, 22207 and 15, that added together give a palindrome (22222).

The spelling of 2220715 in words is "two million, two hundred twenty thousand, seven hundred fifteen".