2235666889 has 8 divisors (see below), whose sum is σ = 2375546400. Its totient is φ = 2096717376.

The previous prime is 2235666887. The next prime is 2235666913. The reversal of 2235666889 is 9886665322.

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

It is a cyclic number.

It is not a de Polignac number, because 2235666889 - 2¹ = 2235666887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2235666883) 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, 227539 + ... + 237160.

It is an arithmetic number, because the mean of its divisors is an integer number (296943300).

Almost surely, 2^2235666889 is an apocalyptic number.

It is an amenable number.

2235666889 is a deficient number, since it is larger than the sum of its proper divisors (139879511).

2235666889 is a wasteful number, since it uses less digits than its factorization.

2235666889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464999.

The product of its digits is 7464960, while the sum is 55.

The square root of 2235666889 is about 47282.8392654248. The cubic root of 2235666889 is about 1307.5822953440.

It can be divided in two parts, 2235 and 666889, that added together give a square (669124 = 818²).

The spelling of 2235666889 in words is "two billion, two hundred thirty-five million, six hundred sixty-six thousand, eight hundred eighty-nine".