2220406244 has 48 divisors (see below), whose sum is σ = 4706698752. Its totient is φ = 894738432.

The previous prime is 2220406229. The next prime is 2220406301. The reversal of 2220406244 is 4426040222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706244 + ... + 709380.

It is an arithmetic number, because the mean of its divisors is an integer number (98056224).

Almost surely, 2^2220406244 is an apocalyptic number.

It is an amenable number.

2220406244 is an abundant number, since it is smaller than the sum of its proper divisors (2486292508).

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

2220406244 is a wasteful number, since it uses less digits than its factorization.

2220406244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2220406244 is about 47121.1867847150. The cubic root of 2220406244 is about 1304.6003177990.

Adding to 2220406244 its reverse (4426040222), we get a palindrome (6646446466).

The spelling of 2220406244 in words is "two billion, two hundred twenty million, four hundred six thousand, two hundred forty-four".