2225531515 has 8 divisors (see below), whose sum is σ = 2704443840. Its totient is φ = 1757887872.

The previous prime is 2225531467. The next prime is 2225531519. The reversal of 2225531515 is 5151355222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2225531515 - 2¹⁹ = 2225007227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225531519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2816734 + ... + 2817523.

It is an arithmetic number, because the mean of its divisors is an integer number (338055480).

Almost surely, 2^2225531515 is an apocalyptic number.

2225531515 is a deficient number, since it is larger than the sum of its proper divisors (478912325).

2225531515 is an equidigital number, since it uses as much as digits as its factorization.

2225531515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634341.

The product of its digits is 15000, while the sum is 31.

The square root of 2225531515 is about 47175.5393715854. The cubic root of 2225531515 is about 1305.6033312658.

Adding to 2225531515 its reverse (5151355222), we get a palindrome (7376886737).

The spelling of 2225531515 in words is "two billion, two hundred twenty-five million, five hundred thirty-one thousand, five hundred fifteen".