228292002050 has 126 divisors (see below), whose sum is σ = 497920493307. Its totient is φ = 77874226080.

The previous prime is 228292002023. The next prime is 228292002079. The reversal of 228292002050 is 50200292822.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 210305705281 + 17986296769 = 458591^2 + 134113^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337855.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228292001998 and 228292002016.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1158842552 + ... + 1158842748.

Almost surely, 2^228292002050 is an apocalyptic number.

228292002050 is an abundant number, since it is smaller than the sum of its proper divisors (269628491257).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228292002050 is an frugal number, since it uses more digits than its factorization.

228292002050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Multiplying 228292002050 by its sum of digits (32), we get a square (7305344065600 = 2702840²).

Adding to 228292002050 its reverse (50200292822), we get a palindrome (278492294872).

The spelling of 228292002050 in words is "two hundred twenty-eight billion, two hundred ninety-two million, two thousand, fifty".