2288668005 has 48 divisors (see below), whose sum is σ = 4294757376. Its totient is φ = 1120775040.

The previous prime is 2288668001. The next prime is 2288668007. The reversal of 2288668005 is 5008668822.

It is not a de Polignac number, because 2288668005 - 2² = 2288668001 is a prime.

It is a super-2 number, since 2×2288668005² = 10476002474221360050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288668001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101494 + ... + 121976.

It is an arithmetic number, because the mean of its divisors is an integer number (89474112).

Almost surely, 2^2288668005 is an apocalyptic number.

It is an amenable number.

2288668005 is a deficient number, since it is larger than the sum of its proper divisors (2006089371).

2288668005 is a wasteful number, since it uses less digits than its factorization.

2288668005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698 (or 20695 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 2288668005 is about 47840.0251358630. The cubic root of 2288668005 is about 1317.8346817194.

The spelling of 2288668005 in words is "two billion, two hundred eighty-eight million, six hundred sixty-eight thousand, five".