228546742242 has 64 divisors (see below), whose sum is σ = 562633666560. Its totient is φ = 60269949504.

The previous prime is 228546742211. The next prime is 228546742253. The reversal of 228546742242 is 242247645822.

It is a super-2 number, since 2×228546742242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228546742191 and 228546742200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8481763 + ... + 8508665.

It is an arithmetic number, because the mean of its divisors is an integer number (8791151040).

Almost surely, 2^228546742242 is an apocalyptic number.

228546742242 is an abundant number, since it is smaller than the sum of its proper divisors (334086924318).

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

228546742242 is a wasteful number, since it uses less digits than its factorization.

228546742242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42487.

The product of its digits is 3440640, while the sum is 48.

The spelling of 228546742242 in words is "two hundred twenty-eight billion, five hundred forty-six million, seven hundred forty-two thousand, two hundred forty-two".