3421022220 has 432 divisors, whose sum is σ = 13538816928. Its totient is φ = 690923520.

The previous prime is 3421022197. The next prime is 3421022237. The reversal of 3421022220 is 222201243.

3421022220 is a `hidden beast` number, since 3 + 421 + 0 + 22 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 3421022193 and 3421022202.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3589264 + ... + 3590216.

It is an arithmetic number, because the mean of its divisors is an integer number (31339854).

Almost surely, 2^3421022220 is an apocalyptic number.

3421022220 is a gapful number since it is divisible by the number (30) 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 3421022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6769408464).

3421022220 is an abundant number, since it is smaller than the sum of its proper divisors (10117794708).

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

3421022220 is a wasteful number, since it uses less digits than its factorization.

3421022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3421022220 is about 58489.5052124738. The cubic root of 3421022220 is about 1506.7873482792.

Adding to 3421022220 its reverse (222201243), we get a palindrome (3643223463).

The spelling of 3421022220 in words is "three billion, four hundred twenty-one million, twenty-two thousand, two hundred twenty".