2215232250 has 256 divisors, whose sum is σ = 6987202560. Its totient is φ = 454080000.

The previous prime is 2215232219. The next prime is 2215232269. The reversal of 2215232250 is 522325122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215232250.

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 127 ways as a sum of consecutive naturals, for example, 5139535 + ... + 5139965.

It is an arithmetic number, because the mean of its divisors is an integer number (27293760).

Almost surely, 2^2215232250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215232250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3493601280).

2215232250 is an abundant number, since it is smaller than the sum of its proper divisors (4771970310).

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

2215232250 is a wasteful number, since it uses less digits than its factorization.

2215232250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2215232250 is about 47066.2538343557. The cubic root of 2215232250 is about 1303.5862024794.

Adding to 2215232250 its reverse (522325122), we get a palindrome (2737557372).

The spelling of 2215232250 in words is "two billion, two hundred fifteen million, two hundred thirty-two thousand, two hundred fifty".