2516222523 has 8 divisors (see below), whose sum is σ = 3355230736. Its totient is φ = 1677348000.

The previous prime is 2516222519. The next prime is 2516222543. The reversal of 2516222523 is 3252226152.

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

It is not a de Polignac number, because 2516222523 - 2² = 2516222519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516222543) 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, 25173 + ... + 75273.

It is an arithmetic number, because the mean of its divisors is an integer number (419403842).

Almost surely, 2^2516222523 is an apocalyptic number.

2516222523 is a deficient number, since it is larger than the sum of its proper divisors (839008213).

2516222523 is a wasteful number, since it uses less digits than its factorization.

2516222523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66845.

The product of its digits is 14400, while the sum is 30.

The square root of 2516222523 is about 50161.9629101573. The cubic root of 2516222523 is about 1360.1381280914.

Adding to 2516222523 its reverse (3252226152), we get a palindrome (5768448675).

The spelling of 2516222523 in words is "two billion, five hundred sixteen million, two hundred twenty-two thousand, five hundred twenty-three".