2257516222 has 16 divisors (see below), whose sum is σ = 3680218080. Its totient is φ = 1032370272.

The previous prime is 2257516169. The next prime is 2257516237. The reversal of 2257516222 is 2226157522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395458 + ... + 401125.

It is an arithmetic number, because the mean of its divisors is an integer number (230013630).

Almost surely, 2^2257516222 is an apocalyptic number.

2257516222 is a deficient number, since it is larger than the sum of its proper divisors (1422701858).

2257516222 is a wasteful number, since it uses less digits than its factorization.

2257516222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796707.

The product of its digits is 33600, while the sum is 34.

The square root of 2257516222 is about 47513.3267831248. The cubic root of 2257516222 is about 1311.8281919675.

The spelling of 2257516222 in words is "two billion, two hundred fifty-seven million, five hundred sixteen thousand, two hundred twenty-two".