225606326669 has 4 divisors (see below), whose sum is σ = 228973585344. Its totient is φ = 222239067996.

The previous prime is 225606326651. The next prime is 225606326677. The reversal of 225606326669 is 966623606522.

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 a de Polignac number, because none of the positive numbers 2^k-225606326669 is a prime.

It is a super-2 number, since 2×225606326669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225606326669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225606326369) 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, 1683629237 + ... + 1683629370.

It is an arithmetic number, because the mean of its divisors is an integer number (57243396336).

Almost surely, 2^225606326669 is an apocalyptic number.

It is an amenable number.

225606326669 is a deficient number, since it is larger than the sum of its proper divisors (3367258675).

225606326669 is an equidigital number, since it uses as much as digits as its factorization.

225606326669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367258674.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 225606326669 in words is "two hundred twenty-five billion, six hundred six million, three hundred twenty-six thousand, six hundred sixty-nine".