2215500003 has 12 divisors (see below), whose sum is σ = 3210265968. Its totient is φ = 1472338800.

The previous prime is 2215499999. The next prime is 2215500017. The reversal of 2215500003 is 3000055122.

It is a happy number.

It is not a de Polignac number, because 2215500003 - 2² = 2215499999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215500043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385423 + ... + 391128.

It is an arithmetic number, because the mean of its divisors is an integer number (267522164).

Almost surely, 2^2215500003 is an apocalyptic number.

2215500003 is a deficient number, since it is larger than the sum of its proper divisors (994765965).

2215500003 is a wasteful number, since it uses less digits than its factorization.

2215500003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776874 (or 776871 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2215500003 is about 47069.0981749173. The cubic root of 2215500003 is about 1303.6387214353.

Adding to 2215500003 its reverse (3000055122), we get a palindrome (5215555125).

The spelling of 2215500003 in words is "two billion, two hundred fifteen million, five hundred thousand, three".