2281118490 has 64 divisors (see below), whose sum is σ = 6951985920. Its totient is φ = 521398080.

The previous prime is 2281118479. The next prime is 2281118491. The reversal of 2281118490 is 948111822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2281118491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601581 + ... + 605360.

It is an arithmetic number, because the mean of its divisors is an integer number (108624780).

Almost surely, 2^2281118490 is an apocalyptic number.

2281118490 is an abundant number, since it is smaller than the sum of its proper divisors (4670867430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2281118490 is a wasteful number, since it uses less digits than its factorization.

2281118490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206964 (or 1206958 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2281118490 is about 47761.0562069140. The cubic root of 2281118490 is about 1316.3840603384.

The spelling of 2281118490 in words is "two billion, two hundred eighty-one million, one hundred eighteen thousand, four hundred ninety".