2232661 has 8 divisors (see below), whose sum is σ = 2403864. Its totient is φ = 2065920.

The previous prime is 2232653. The next prime is 2232673. The reversal of 2232661 is 1662322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 625 + 2232036 = 25^2 + 1494^2 .

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 2232661 - 2³ = 2232653 is a prime.

It is a super-3 number, since 3×2232661³ = 33387939152711462343, which contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232161) 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, 40 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (300483).

2^2232661 is an apocalyptic number.

It is an amenable number.

2232661 is a deficient number, since it is larger than the sum of its proper divisors (171203).

2232661 is a wasteful number, since it uses less digits than its factorization.

2232661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its digits is 864, while the sum is 22.

The square root of 2232661 is about 1494.2091553728. The cubic root of 2232661 is about 130.6996010913.

Adding to 2232661 its reverse (1662322), we get a palindrome (3894983).

The spelling of 2232661 in words is "two million, two hundred thirty-two thousand, six hundred sixty-one".