3220001250 has 160 divisors (see below), whose sum is σ = 8676222720. Its totient is φ = 793800000.

The previous prime is 3220001237. The next prime is 3220001251. The reversal of 3220001250 is 521000223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3220001251) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3063225 + ... + 3064275.

It is an arithmetic number, because the mean of its divisors is an integer number (54226392).

Almost surely, 2^3220001250 is an apocalyptic number.

3220001250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4338111360).

3220001250 is an abundant number, since it is smaller than the sum of its proper divisors (5456221470).

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

3220001250 is a wasteful number, since it uses less digits than its factorization.

3220001250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3220001250 is about 56745.0548506211. The cubic root of 3220001250 is about 1476.6764430141.

Adding to 3220001250 its reverse (521000223), we get a palindrome (3741001473).

The spelling of 3220001250 in words is "three billion, two hundred twenty million, one thousand, two hundred fifty".