2666890227 has 32 divisors (see below), whose sum is σ = 3848011776. Its totient is φ = 1638093600.

The previous prime is 2666890207. The next prime is 2666890253. The reversal of 2666890227 is 7220986662.

It is not a de Polignac number, because 2666890227 - 2⁷ = 2666890099 is a prime.

It is a super-2 number, since 2×2666890227² = 14224606965736223058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666890207) 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, 474202 + ... + 479792.

It is an arithmetic number, because the mean of its divisors is an integer number (120250368).

Almost surely, 2^2666890227 is an apocalyptic number.

2666890227 is a deficient number, since it is larger than the sum of its proper divisors (1181121549).

2666890227 is a wasteful number, since it uses less digits than its factorization.

2666890227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2666890227 is about 51641.9425176861. The cubic root of 2666890227 is about 1386.7612996378.

The spelling of 2666890227 in words is "two billion, six hundred sixty-six million, eight hundred ninety thousand, two hundred twenty-seven".