6332220 has 72 divisors (see below), whose sum is σ = 19428864. Its totient is φ = 1669248.

The previous prime is 6332219. The next prime is 6332243. The reversal of 6332220 is 222336.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6332193 and 6332202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22722 + ... + 22998.

Almost surely, 2^6332220 is an apocalyptic number.

6332220 is a gapful number since it is divisible by the number (60) 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 6332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9714432).

6332220 is an abundant number, since it is smaller than the sum of its proper divisors (13096644).

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

6332220 is a wasteful number, since it uses less digits than its factorization.

6332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 6332220 is about 2516.3902717981. The cubic root of 6332220 is about 185.0057948027.

Adding to 6332220 its reverse (222336), we get a palindrome (6554556).

The spelling of 6332220 in words is "six million, three hundred thirty-two thousand, two hundred twenty".