2220420244 has 24 divisors (see below), whose sum is σ = 4441889088. Its totient is φ = 951384000.

The previous prime is 2220420217. The next prime is 2220420271. The reversal of 2220420244 is 4420240222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2220420217) and next prime (2220420271).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175119 + ... + 187369.

It is an arithmetic number, because the mean of its divisors is an integer number (185078712).

Almost surely, 2^2220420244 is an apocalyptic number.

It is an amenable number.

2220420244 is an abundant number, since it is smaller than the sum of its proper divisors (2221468844).

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

2220420244 is a wasteful number, since it uses less digits than its factorization.

2220420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18735 (or 18733 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2220420244 is about 47121.3353376154. The cubic root of 2220420244 is about 1304.6030596945.

Adding to 2220420244 its reverse (4420240222), we get a palindrome (6640660466).

The spelling of 2220420244 in words is "two billion, two hundred twenty million, four hundred twenty thousand, two hundred forty-four".