6357421224 has 384 divisors, whose sum is σ = 22514319360. Its totient is φ = 1572480000.

The previous prime is 6357421219. The next prime is 6357421229. The reversal of 6357421224 is 4221247536.

6357421224 is a `hidden beast` number, since 6 + 3 + 5 + 7 + 421 + 224 = 666.

It is an interprime number because it is at equal distance from previous prime (6357421219) and next prime (6357421229).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6357421229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12202084 + ... + 12202604.

It is an arithmetic number, because the mean of its divisors is an integer number (58631040).

Almost surely, 2^6357421224 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 6357421224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11257159680).

6357421224 is an abundant number, since it is smaller than the sum of its proper divisors (16156898136).

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

6357421224 is a wasteful number, since it uses less digits than its factorization.

6357421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 6357421224 is about 79733.4385562293. The cubic root of 6357421224 is about 1852.5090109764.

The spelling of 6357421224 in words is "six billion, three hundred fifty-seven million, four hundred twenty-one thousand, two hundred twenty-four".