228730719532 has 36 divisors (see below), whose sum is σ = 469982122344. Its totient is φ = 97111297920.

The previous prime is 228730719523. The next prime is 228730719551. The reversal of 228730719532 is 235917037822.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5432269 + ... + 5474212.

It is an arithmetic number, because the mean of its divisors is an integer number (13055058954).

Almost surely, 2^228730719532 is an apocalyptic number.

It is an amenable number.

228730719532 is an abundant number, since it is smaller than the sum of its proper divisors (241251402812).

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

228730719532 is a wasteful number, since it uses less digits than its factorization.

228730719532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906606 (or 10906597 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 228730719532 in words is "two hundred twenty-eight billion, seven hundred thirty million, seven hundred nineteen thousand, five hundred thirty-two".