2220907 has 16 divisors (see below), whose sum is σ = 2550240. Its totient is φ = 1919232.

The previous prime is 2220893. The next prime is 2220913. The reversal of 2220907 is 7090222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16143 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (159390).

2^2220907 is an apocalyptic number.

2220907 is a deficient number, since it is larger than the sum of its proper divisors (329333).

2220907 is a wasteful number, since it uses less digits than its factorization.

2220907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2220907 is about 1490.2707807644. The cubic root of 2220907 is about 130.4698383537.

It can be divided in two parts, 22 and 20907, that multiplied together give a palindrome (459954).

The spelling of 2220907 in words is "two million, two hundred twenty thousand, nine hundred seven".