2257399016 has 8 divisors (see below), whose sum is σ = 4232623170. Its totient is φ = 1128699504.

The previous prime is 2257399007. The next prime is 2257399019. The reversal of 2257399016 is 6109937522.

It can be written as a sum of positive squares in only one way, i.e., 2257200100 + 198916 = 47510^2 + 446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2257399019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141087431 + ... + 141087446.

Almost surely, 2^2257399016 is an apocalyptic number.

It is an amenable number.

2257399016 is a deficient number, since it is larger than the sum of its proper divisors (1975224154).

2257399016 is a wasteful number, since it uses less digits than its factorization.

2257399016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282174883 (or 282174879 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 2257399016 is about 47512.0933657948. The cubic root of 2257399016 is about 1311.8054890231.

The spelling of 2257399016 in words is "two billion, two hundred fifty-seven million, three hundred ninety-nine thousand, sixteen".