216225456050 has 18 divisors (see below), whose sum is σ = 402185464119. Its totient is φ = 86488867200.

The previous prime is 216225456037. The next prime is 216225456053. The reversal of 216225456050 is 50654522612.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 202047553009 + 14177903041 = 449497^2 + 119071^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=328805.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216225455995 and 216225456013.

It is not an unprimeable number, because it can be changed into a prime (216225456053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3255170 + ... + 3320930.

Almost surely, 2^216225456050 is an apocalyptic number.

216225456050 is a deficient number, since it is larger than the sum of its proper divisors (185960008069).

216225456050 is an frugal number, since it uses more digits than its factorization.

216225456050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131534 (or 65768 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 216225456050 its reverse (50654522612), we get a palindrome (266879978662).

The spelling of 216225456050 in words is "two hundred sixteen billion, two hundred twenty-five million, four hundred fifty-six thousand, fifty".