2235882661 has 4 divisors (see below), whose sum is σ = 2269254112. Its totient is φ = 2202511212.

The previous prime is 2235882659. The next prime is 2235882709. The reversal of 2235882661 is 1662885322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2235882661 - 2¹ = 2235882659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235882631) 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, 16685625 + ... + 16685758.

It is an arithmetic number, because the mean of its divisors is an integer number (567313528).

Almost surely, 2^2235882661 is an apocalyptic number.

It is an amenable number.

2235882661 is a deficient number, since it is larger than the sum of its proper divisors (33371451).

2235882661 is an equidigital number, since it uses as much as digits as its factorization.

2235882661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33371450.

The product of its digits is 276480, while the sum is 43.

The square root of 2235882661 is about 47285.1209261434. The cubic root of 2235882661 is about 1307.6243604317.

The spelling of 2235882661 in words is "two billion, two hundred thirty-five million, eight hundred eighty-two thousand, six hundred sixty-one".