3015220000 has 120 divisors (see below), whose sum is σ = 7989189516. Its totient is φ = 1113216000.

The previous prime is 3015219931. The next prime is 3015220001. The reversal of 3015220000 is 225103.

It can be written as a sum of positive squares in 10 ways, for example, as 204947856 + 2810272144 = 14316^2 + 53012^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (3015220001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 254202 + ... + 265798.

Almost surely, 2^3015220000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3015220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994594758).

3015220000 is an abundant number, since it is smaller than the sum of its proper divisors (4973969516).

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

3015220000 is a wasteful number, since it uses less digits than its factorization.

3015220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640 (or 11617 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3015220000 is about 54911.0189306299. The cubic root of 3015220000 is about 1444.6844615397.

Adding to 3015220000 its reverse (225103), we get a palindrome (3015445103).

The spelling of 3015220000 in words is "three billion, fifteen million, two hundred twenty thousand".