3220650000 has 360 divisors, whose sum is σ = 11957000328. Its totient is φ = 806400000.

The previous prime is 3220649987. The next prime is 3220650011. The reversal of 3220650000 is 560223.

It can be written as a sum of positive squares in 12 ways, for example, as 3125704464 + 94945536 = 55908^2 + 9744^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7649790 + ... + 7650210.

Almost surely, 2^3220650000 is an apocalyptic number.

3220650000 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 3220650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5978500164).

3220650000 is an abundant number, since it is smaller than the sum of its proper divisors (8736350328).

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

3220650000 is a wasteful number, since it uses less digits than its factorization.

3220650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3220650000 is about 56750.7709198739. The cubic root of 3220650000 is about 1476.7756075214.

The spelling of 3220650000 in words is "three billion, two hundred twenty million, six hundred fifty thousand".