2235666 has 8 divisors (see below), whose sum is σ = 4471344. Its totient is φ = 745220.

The previous prime is 2235661. The next prime is 2235671. The reversal of 2235666 is 6665322.

It is an interprime number because it is at equal distance from previous prime (2235661) and next prime (2235671).

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

2235666 is an admirable number.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 3¹⁰ + 5⁷ + 6 + 6 + 6⁴ .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2235661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186300 + ... + 186311.

It is an arithmetic number, because the mean of its divisors is an integer number (558918).

2^2235666 is an apocalyptic number.

2235666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2235666 is a wasteful number, since it uses less digits than its factorization.

2235666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372616.

The product of its digits is 12960, while the sum is 30.

The square root of 2235666 is about 1495.2143659021. The cubic root of 2235666 is about 130.7582122027.

It can be divided in two parts, 22356 and 66, that added together give a palindrome (22422).

The spelling of 2235666 in words is "two million, two hundred thirty-five thousand, six hundred sixty-six".