2442221400 has 96 divisors (see below), whose sum is σ = 7582885200. Its totient is φ = 650227200.

The previous prime is 2442221389. The next prime is 2442221407. The reversal of 2442221400 is 41222442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442221407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422530 + ... + 428270.

Almost surely, 2^2442221400 is an apocalyptic number.

2442221400 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 2442221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3791442600).

2442221400 is an abundant number, since it is smaller than the sum of its proper divisors (5140663800).

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

2442221400 is a wasteful number, since it uses less digits than its factorization.

2442221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2442221400 is about 49418.8364897435. The cubic root of 2442221400 is about 1346.6715259222.

Adding to 2442221400 its reverse (41222442), we get a palindrome (2483443842).

The spelling of 2442221400 in words is "two billion, four hundred forty-two million, two hundred twenty-one thousand, four hundred".