228057708072 has 64 divisors (see below), whose sum is σ = 590424888960. Its totient is φ = 73362182400.

The previous prime is 228057708061. The next prime is 228057708079. The reversal of 228057708072 is 270807750822.

It is a super-2 number, since 2×228057708072² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228057708079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392004 + ... + 1547187.

It is an arithmetic number, because the mean of its divisors is an integer number (9225388890).

Almost surely, 2^228057708072 is an apocalyptic number.

It is an amenable number.

228057708072 is an abundant number, since it is smaller than the sum of its proper divisors (362367180888).

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

228057708072 is a wasteful number, since it uses less digits than its factorization.

228057708072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939314 (or 2939310 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 228057708072 in words is "two hundred twenty-eight billion, fifty-seven million, seven hundred eight thousand, seventy-two".