2215142250 has 32 divisors (see below), whose sum is σ = 5528996928. Its totient is φ = 590704400.

The previous prime is 2215142249. The next prime is 2215142257. The reversal of 2215142250 is 522415122.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2215142250.

It is not an unprimeable number, because it can be changed into a prime (2215142257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476012 + ... + 1477511.

It is an arithmetic number, because the mean of its divisors is an integer number (172781154).

Almost surely, 2^2215142250 is an apocalyptic number.

2215142250 is an abundant number, since it is smaller than the sum of its proper divisors (3313854678).

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

2215142250 is a wasteful number, since it uses less digits than its factorization.

2215142250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953543 (or 2953533 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2215142250 is about 47065.2977256067. The cubic root of 2215142250 is about 1303.5685482963.

Adding to 2215142250 its reverse (522415122), we get a palindrome (2737557372).

The spelling of 2215142250 in words is "two billion, two hundred fifteen million, one hundred forty-two thousand, two hundred fifty".