225655332367 has 4 divisors (see below), whose sum is σ = 225656301816. Its totient is φ = 225654362920.

The previous prime is 225655332317. The next prime is 225655332389. The reversal of 225655332367 is 763233556522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225655332367 is a prime.

It is a super-2 number, since 2×225655332367² (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 225655332367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225655332317) 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, 97692 + ... + 678862.

It is an arithmetic number, because the mean of its divisors is an integer number (56414075454).

Almost surely, 2^225655332367 is an apocalyptic number.

225655332367 is a deficient number, since it is larger than the sum of its proper divisors (969449).

225655332367 is an equidigital number, since it uses as much as digits as its factorization.

225655332367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969448.

The product of its digits is 6804000, while the sum is 49.

Adding to 225655332367 its reverse (763233556522), we get a palindrome (988888888889).

The spelling of 225655332367 in words is "two hundred twenty-five billion, six hundred fifty-five million, three hundred thirty-two thousand, three hundred sixty-seven".