2220605326 has 16 divisors (see below), whose sum is σ = 3410250480. Its totient is φ = 1084121280.

The previous prime is 2220605293. The next prime is 2220605329. The reversal of 2220605326 is 6235060222.

It is a junction number, because it is equal to n+sod(n) for n = 2220605294 and 2220605303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220605329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49716 + ... + 83143.

It is an arithmetic number, because the mean of its divisors is an integer number (213140655).

Almost surely, 2^2220605326 is an apocalyptic number.

2220605326 is a deficient number, since it is larger than the sum of its proper divisors (1189645154).

2220605326 is a wasteful number, since it uses less digits than its factorization.

2220605326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133059.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2220605326 is about 47123.2991841615. The cubic root of 2220605326 is about 1304.6393068622.

Adding to 2220605326 its reverse (6235060222), we get a palindrome (8455665548).

The spelling of 2220605326 in words is "two billion, two hundred twenty million, six hundred five thousand, three hundred twenty-six".