2287975666 has 16 divisors (see below), whose sum is σ = 3470987520. Its totient is φ = 1131004800.

The previous prime is 2287975661. The next prime is 2287975681. The reversal of 2287975666 is 6665797822.

It is a self number, because there is not a number n which added to its sum of digits gives 2287975666.

It is not an unprimeable number, because it can be changed into a prime (2287975661) 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, 195891 + ... + 207241.

It is an arithmetic number, because the mean of its divisors is an integer number (216936720).

Almost surely, 2^2287975666 is an apocalyptic number.

2287975666 is a deficient number, since it is larger than the sum of its proper divisors (1183011854).

2287975666 is a wasteful number, since it uses less digits than its factorization.

2287975666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12489.

The product of its digits is 15240960, while the sum is 58.

The square root of 2287975666 is about 47832.7886078159. The cubic root of 2287975666 is about 1317.7017834046.

The spelling of 2287975666 in words is "two billion, two hundred eighty-seven million, nine hundred seventy-five thousand, six hundred sixty-six".