2220633646 has 96 divisors (see below), whose sum is σ = 4405726080. Its totient is φ = 829080000.

The previous prime is 2220633643. The next prime is 2220633659. The reversal of 2220633646 is 6463360222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220633643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7846621 + ... + 7846903.

It is an arithmetic number, because the mean of its divisors is an integer number (45892980).

Almost surely, 2^2220633646 is an apocalyptic number.

2220633646 is a deficient number, since it is larger than the sum of its proper divisors (2185092434).

2220633646 is a wasteful number, since it uses less digits than its factorization.

2220633646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 2220633646 is about 47123.5996715022. The cubic root of 2220633646 is about 1304.6448529818.

Adding to 2220633646 its reverse (6463360222), we get a palindrome (8683993868).

The spelling of 2220633646 in words is "two billion, two hundred twenty million, six hundred thirty-three thousand, six hundred forty-six".