2281553188 has 12 divisors (see below), whose sum is σ = 3994168192. Its totient is φ = 1140362280.

The previous prime is 2281553177. The next prime is 2281553213. The reversal of 2281553188 is 8813551822.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 91020 + ... + 113347.

Almost surely, 2^2281553188 is an apocalyptic number.

It is an amenable number.

2281553188 is a deficient number, since it is larger than the sum of its proper divisors (1712615004).

2281553188 is a wasteful number, since it uses less digits than its factorization.

2281553188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207162 (or 207160 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 2281553188 is about 47765.6067479520. The cubic root of 2281553188 is about 1316.4676732934.

The spelling of 2281553188 in words is "two billion, two hundred eighty-one million, five hundred fifty-three thousand, one hundred eighty-eight".