2220421244 has 24 divisors (see below), whose sum is σ = 4117722000. Its totient is φ = 1044714240.

The previous prime is 2220421243. The next prime is 2220421249. The reversal of 2220421244 is 4421240222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220421241) 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, 86717 + ... + 109364.

It is an arithmetic number, because the mean of its divisors is an integer number (171571750).

Almost surely, 2^2220421244 is an apocalyptic number.

It is an amenable number.

2220421244 is a deficient number, since it is larger than the sum of its proper divisors (1897300756).

2220421244 is a wasteful number, since it uses less digits than its factorization.

2220421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196253 (or 196251 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2220421244 is about 47121.3459485189. The cubic root of 2220421244 is about 1304.6032555438.

Adding to 2220421244 its reverse (4421240222), we get a palindrome (6641661466).

The spelling of 2220421244 in words is "two billion, two hundred twenty million, four hundred twenty-one thousand, two hundred forty-four".