2656212233 has 2 divisors, whose sum is σ = 2656212234. Its totient is φ = 2656212232.

The previous prime is 2656212227. The next prime is 2656212241. The reversal of 2656212233 is 3322126562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2535827449 + 120384784 = 50357^2 + 10972^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656212233 - 2¹⁰ = 2656211209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656212233.

It is not a weakly prime, because it can be changed into another prime (2656212133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328106116 + 1328106117.

It is an arithmetic number, because the mean of its divisors is an integer number (1328106117).

Almost surely, 2^2656212233 is an apocalyptic number.

It is an amenable number.

2656212233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656212233 is an equidigital number, since it uses as much as digits as its factorization.

2656212233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 2656212233 is about 51538.4539252004. The cubic root of 2656212233 is about 1384.9080005097.

Adding to 2656212233 its reverse (3322126562), we get a palindrome (5978338795).

The spelling of 2656212233 in words is "two billion, six hundred fifty-six million, two hundred twelve thousand, two hundred thirty-three".