3214403220 has 96 divisors (see below), whose sum is σ = 10338048000. Its totient is φ = 731009664.

The previous prime is 3214403191. The next prime is 3214403251. The reversal of 3214403220 is 223044123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64351 + ... + 102809.

It is an arithmetic number, because the mean of its divisors is an integer number (107688000).

Almost surely, 2^3214403220 is an apocalyptic number.

3214403220 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 3214403220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5169024000).

3214403220 is an abundant number, since it is smaller than the sum of its proper divisors (7123644780).

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

3214403220 is a wasteful number, since it uses less digits than its factorization.

3214403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38677 (or 38675 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3214403220 is about 56695.7072449052. The cubic root of 3214403220 is about 1475.8202037881.

Adding to 3214403220 its reverse (223044123), we get a palindrome (3437447343).

The spelling of 3214403220 in words is "three billion, two hundred fourteen million, four hundred three thousand, two hundred twenty".