2402221200 has 120 divisors (see below), whose sum is σ = 8029777728. Its totient is φ = 612733440.

The previous prime is 2402221181. The next prime is 2402221207. The reversal of 2402221200 is 21222042.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2402221200.

It is not an unprimeable number, because it can be changed into a prime (2402221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15919 + ... + 71118.

Almost surely, 2^2402221200 is an apocalyptic number.

2402221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4014888864).

2402221200 is an abundant number, since it is smaller than the sum of its proper divisors (5627556528).

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

2402221200 is a wasteful number, since it uses less digits than its factorization.

2402221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87081 (or 87070 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2402221200 is about 49012.4596403812. The cubic root of 2402221200 is about 1339.2788129371.

Adding to 2402221200 its reverse (21222042), we get a palindrome (2423443242).

The spelling of 2402221200 in words is "two billion, four hundred two million, two hundred twenty-one thousand, two hundred".