2281923665 has 8 divisors (see below), whose sum is σ = 3129495360. Its totient is φ = 1564747632.

The previous prime is 2281923659. The next prime is 2281923689. The reversal of 2281923665 is 5663291822.

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

It is not a de Polignac number, because 2281923665 - 2⁶ = 2281923601 is a prime.

It is a super-2 number, since 2×2281923665² = 10414351225774064450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32598875 + ... + 32598944.

It is an arithmetic number, because the mean of its divisors is an integer number (391186920).

Almost surely, 2^2281923665 is an apocalyptic number.

It is an amenable number.

2281923665 is a deficient number, since it is larger than the sum of its proper divisors (847571695).

2281923665 is an equidigital number, since it uses as much as digits as its factorization.

2281923665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65197831.

The product of its digits is 311040, while the sum is 44.

The square root of 2281923665 is about 47769.4846633287. The cubic root of 2281923665 is about 1316.5389251349.

The spelling of 2281923665 in words is "two billion, two hundred eighty-one million, nine hundred twenty-three thousand, six hundred sixty-five".