2223516525 has 24 divisors (see below), whose sum is σ = 3700578624. Its totient is φ = 1178016000.

The previous prime is 2223516499. The next prime is 2223516527. The reversal of 2223516525 is 5256153222.

It is not a de Polignac number, because 2223516525 - 2²⁷ = 2089298797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223516527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86844 + ... + 109493.

It is an arithmetic number, because the mean of its divisors is an integer number (154190776).

Almost surely, 2^2223516525 is an apocalyptic number.

2223516525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223516525 is a deficient number, since it is larger than the sum of its proper divisors (1477062099).

2223516525 is a wasteful number, since it uses less digits than its factorization.

2223516525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196501 (or 196496 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 2223516525 is about 47154.1782348076. The cubic root of 2223516525 is about 1305.2091824217.

Adding to 2223516525 its reverse (5256153222), we get a palindrome (7479669747).

The spelling of 2223516525 in words is "two billion, two hundred twenty-three million, five hundred sixteen thousand, five hundred twenty-five".