2281854809 has 8 divisors (see below), whose sum is σ = 2476142592. Its totient is φ = 2090247120.

The previous prime is 2281854797. The next prime is 2281854857. The reversal of 2281854809 is 9084581822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2281854809 - 2¹² = 2281850713 is a prime.

It is a super-2 number, since 2×2281854809² = 10413722738712852962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281854889) 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, 668249 + ... + 671654.

It is an arithmetic number, because the mean of its divisors is an integer number (309517824).

Almost surely, 2^2281854809 is an apocalyptic number.

It is an amenable number.

2281854809 is a deficient number, since it is larger than the sum of its proper divisors (194287783).

2281854809 is a wasteful number, since it uses less digits than its factorization.

2281854809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340047.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 2281854809 is about 47768.7639467466. The cubic root of 2281854809 is about 1316.5256830156.

The spelling of 2281854809 in words is "two billion, two hundred eighty-one million, eight hundred fifty-four thousand, eight hundred nine".