2257115072 has 28 divisors (see below), whose sum is σ = 4480864800. Its totient is φ = 1128078336.

The previous prime is 2257115071. The next prime is 2257115099. The reversal of 2257115072 is 2705117522.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257115071) 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 3 ways as a sum of consecutive naturals, for example, 181304 + ... + 193352.

Almost surely, 2^2257115072 is an apocalyptic number.

It is an amenable number.

2257115072 is a deficient number, since it is larger than the sum of its proper divisors (2223749728).

2257115072 is a wasteful number, since it uses less digits than its factorization.

2257115072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14988 (or 14978 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 2257115072 is about 47509.1051483818. The cubic root of 2257115072 is about 1311.7504854676.

The spelling of 2257115072 in words is "two billion, two hundred fifty-seven million, one hundred fifteen thousand, seventy-two".