6244421000 has 64 divisors (see below), whose sum is σ = 14685840000. Its totient is φ = 2485137600.

The previous prime is 6244420993. The next prime is 6244421023. The reversal of 6244421000 is 1244426.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183311 + ... + 214689.

It is an arithmetic number, because the mean of its divisors is an integer number (229466250).

Almost surely, 2^6244421000 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 6244421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7342920000).

6244421000 is an abundant number, since it is smaller than the sum of its proper divisors (8441419000).

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

6244421000 is a wasteful number, since it uses less digits than its factorization.

6244421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31599 (or 31585 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 6244421000 is about 79021.6489324286. The cubic root of 6244421000 is about 1841.4675005121.

Adding to 6244421000 its reverse (1244426), we get a palindrome (6245665426).

The spelling of 6244421000 in words is "six billion, two hundred forty-four million, four hundred twenty-one thousand".