2215132225 has 12 divisors (see below), whose sum is σ = 2787762544. Its totient is φ = 1745655120.

The previous prime is 2215132219. The next prime is 2215132247. The reversal of 2215132225 is 5222315122.

It is not a de Polignac number, because 2215132225 - 2⁷ = 2215132097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2215132225.

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, 659559 + ... + 662908.

Almost surely, 2^2215132225 is an apocalyptic number.

2215132225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215132225 is a deficient number, since it is larger than the sum of its proper divisors (572630319).

2215132225 is a wasteful number, since it uses less digits than its factorization.

2215132225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322544 (or 1322539 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2215132225 is about 47065.1912245133. The cubic root of 2215132225 is about 1303.5665817868.

Adding to 2215132225 its reverse (5222315122), we get a palindrome (7437447347).

The spelling of 2215132225 in words is "two billion, two hundred fifteen million, one hundred thirty-two thousand, two hundred twenty-five".