6222400000 has 120 divisors (see below), whose sum is σ = 15543809820. Its totient is φ = 2488320000.

The previous prime is 6222399991. The next prime is 6222400049. The reversal of 6222400000 is 42226.

It can be written as a sum of positive squares in 6 ways, for example, as 346257664 + 5876142336 = 18608^2 + 76656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1598056 + ... + 1601944.

Almost surely, 2^6222400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6222400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7771904910).

6222400000 is an abundant number, since it is smaller than the sum of its proper divisors (9321409820).

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

6222400000 is an frugal number, since it uses more digits than its factorization.

6222400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3896 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 6222400000 is about 78882.1906389522. The cubic root of 6222400000 is about 1839.3003010662.

Adding to 6222400000 its reverse (42226), we get a palindrome (6222442226).

The spelling of 6222400000 in words is "six billion, two hundred twenty-two million, four hundred thousand".