2150515722 has 64 divisors (see below), whose sum is σ = 4637952000. Its totient is φ = 662732928.

The previous prime is 2150515711. The next prime is 2150515727. The reversal of 2150515722 is 2275150512.

It is a self number, because there is not a number n which added to its sum of digits gives 2150515722.

It is not an unprimeable number, because it can be changed into a prime (2150515727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800193 + ... + 802875.

It is an arithmetic number, because the mean of its divisors is an integer number (72468000).

Almost surely, 2^2150515722 is an apocalyptic number.

2150515722 is an abundant number, since it is smaller than the sum of its proper divisors (2487436278).

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

2150515722 is a wasteful number, since it uses less digits than its factorization.

2150515722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2150515722 is about 46373.6533173741. The cubic root of 2150515722 is about 1290.7660698257.

The spelling of 2150515722 in words is "two billion, one hundred fifty million, five hundred fifteen thousand, seven hundred twenty-two".