2215512475 has 12 divisors (see below), whose sum is σ = 2996984520. Its totient is φ = 1611281600.

The previous prime is 2215512469. The next prime is 2215512487. The reversal of 2215512475 is 5742155122.

It is not a de Polignac number, because 2215512475 - 2¹⁷ = 2215381403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215512475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4027930 + ... + 4028479.

It is an arithmetic number, because the mean of its divisors is an integer number (249748710).

Almost surely, 2^2215512475 is an apocalyptic number.

2215512475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2215512475 is a deficient number, since it is larger than the sum of its proper divisors (781472045).

2215512475 is a wasteful number, since it uses less digits than its factorization.

2215512475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056430 (or 8056425 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 2215512475 is about 47069.2306608043. The cubic root of 2215512475 is about 1303.6411676779.

Adding to 2215512475 its reverse (5742155122), we get a palindrome (7957667597).

The spelling of 2215512475 in words is "two billion, two hundred fifteen million, five hundred twelve thousand, four hundred seventy-five".