2281989418 has 16 divisors (see below), whose sum is σ = 3481246080. Its totient is φ = 1121698656.

The previous prime is 2281989401. The next prime is 2281989419. The reversal of 2281989418 is 8149891822.

It is not an unprimeable number, because it can be changed into a prime (2281989419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821 + ... + 67807.

It is an arithmetic number, because the mean of its divisors is an integer number (217577880).

Almost surely, 2^2281989418 is an apocalyptic number.

2281989418 is a deficient number, since it is larger than the sum of its proper divisors (1199256662).

2281989418 is a wasteful number, since it uses less digits than its factorization.

2281989418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62301.

The product of its digits is 663552, while the sum is 52.

The square root of 2281989418 is about 47770.1728906229. The cubic root of 2281989418 is about 1316.5515702486.

The spelling of 2281989418 in words is "two billion, two hundred eighty-one million, nine hundred eighty-nine thousand, four hundred eighteen".