2235133656 has 64 divisors (see below), whose sum is σ = 7095667200. Its totient is φ = 638609184.

The previous prime is 2235133651. The next prime is 2235133657. The reversal of 2235133656 is 6563315322.

2235133656 is a `hidden beast` number, since 223 + 51 + 336 + 56 = 666.

2235133656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2235133656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235133651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737620 + ... + 740643.

It is an arithmetic number, because the mean of its divisors is an integer number (110869800).

Almost surely, 2^2235133656 is an apocalyptic number.

It is an amenable number.

2235133656 is an abundant number, since it is smaller than the sum of its proper divisors (4860533544).

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

2235133656 is a wasteful number, since it uses less digits than its factorization.

2235133656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478285 (or 1478275 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 2235133656 is about 47277.2001709069. The cubic root of 2235133656 is about 1307.4783291293.

Adding to 2235133656 its reverse (6563315322), we get a palindrome (8798448978).

The spelling of 2235133656 in words is "two billion, two hundred thirty-five million, one hundred thirty-three thousand, six hundred fifty-six".