225211467155 has 8 divisors (see below), whose sum is σ = 272316767184. Its totient is φ = 178793836000.

The previous prime is 225211467119. The next prime is 225211467167. The reversal of 225211467155 is 551764112522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225211467155 - 2²⁰ = 225210418579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171916496 + ... + 171917805.

It is an arithmetic number, because the mean of its divisors is an integer number (34039595898).

Almost surely, 2^225211467155 is an apocalyptic number.

225211467155 is a deficient number, since it is larger than the sum of its proper divisors (47105300029).

225211467155 is a wasteful number, since it uses less digits than its factorization.

225211467155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343834437.

The product of its digits is 168000, while the sum is 41.

Adding to 225211467155 its reverse (551764112522), we get a palindrome (776975579677).

The spelling of 225211467155 in words is "two hundred twenty-five billion, two hundred eleven million, four hundred sixty-seven thousand, one hundred fifty-five".