2215516350 has 48 divisors (see below), whose sum is σ = 5502848688. Its totient is φ = 589904640.

The previous prime is 2215516343. The next prime is 2215516379. The reversal of 2215516350 is 536155122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90642 + ... + 112458.

It is an arithmetic number, because the mean of its divisors is an integer number (114642681).

Almost surely, 2^2215516350 is an apocalyptic number.

2215516350 is an abundant number, since it is smaller than the sum of its proper divisors (3287332338).

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

2215516350 is a wasteful number, since it uses less digits than its factorization.

2215516350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22509 (or 22504 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2215516350 is about 47069.2718235581. The cubic root of 2215516350 is about 1303.6419277137.

The spelling of 2215516350 in words is "two billion, two hundred fifteen million, five hundred sixteen thousand, three hundred fifty".