2286891388 has 12 divisors (see below), whose sum is σ = 4003284712. Its totient is φ = 1143095760.

The previous prime is 2286891353. The next prime is 2286891427. The reversal of 2286891388 is 8831986822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72495 + ... + 99142.

Almost surely, 2^2286891388 is an apocalyptic number.

It is an amenable number.

2286891388 is a deficient number, since it is larger than the sum of its proper divisors (1716393324).

2286891388 is a wasteful number, since it uses less digits than its factorization.

2286891388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174972 (or 174970 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 2286891388 is about 47821.4532192404. The cubic root of 2286891388 is about 1317.4935963404.

The spelling of 2286891388 in words is "two billion, two hundred eighty-six million, eight hundred ninety-one thousand, three hundred eighty-eight".