2257990612 has 12 divisors (see below), whose sum is σ = 3988414080. Its totient is φ = 1118443736.

The previous prime is 2257990607. The next prime is 2257990613. The reversal of 2257990612 is 2160997522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257990613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637412 + ... + 2638267.

It is an arithmetic number, because the mean of its divisors is an integer number (332367840).

Almost surely, 2^2257990612 is an apocalyptic number.

It is an amenable number.

2257990612 is a deficient number, since it is larger than the sum of its proper divisors (1730423468).

2257990612 is a wasteful number, since it uses less digits than its factorization.

2257990612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275790 (or 5275788 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2257990612 is about 47518.3186992133. The cubic root of 2257990612 is about 1311.9200738602.

The spelling of 2257990612 in words is "two billion, two hundred fifty-seven million, nine hundred ninety thousand, six hundred twelve".