228541263732 has 36 divisors (see below), whose sum is σ = 602818987680. Its totient is φ = 72868228752.

The previous prime is 228541263703. The next prime is 228541263737. The reversal of 228541263732 is 237362145822.

228541263732 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 4 + 1 + 2 + 637 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×228541263732² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228541263737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138007182 + ... + 138008837.

It is an arithmetic number, because the mean of its divisors is an integer number (16744971880).

Almost surely, 2^228541263732 is an apocalyptic number.

It is an amenable number.

228541263732 is an abundant number, since it is smaller than the sum of its proper divisors (374277723948).

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

228541263732 is a wasteful number, since it uses less digits than its factorization.

228541263732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276016052 (or 276016047 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 228541263732 in words is "two hundred twenty-eight billion, five hundred forty-one million, two hundred sixty-three thousand, seven hundred thirty-two".