2516222 has 12 divisors (see below), whose sum is σ = 3883320. Its totient is φ = 1222776.

The previous prime is 2516209. The next prime is 2516233. The reversal of 2516222 is 2226152.

It is a junction number, because it is equal to n+sod(n) for n = 2516194 and 2516203.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2279 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (323610).

2^2516222 is an apocalyptic number.

2516222 is a deficient number, since it is larger than the sum of its proper divisors (1367098).

2516222 is an equidigital number, since it uses as much as digits as its factorization.

2516222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 958 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 2516222 is about 1586.2603821567. The cubic root of 2516222 is about 136.0138033856.

The spelling of 2516222 in words is "two million, five hundred sixteen thousand, two hundred twenty-two".