228287572052 has 6 divisors (see below), whose sum is σ = 399503251098. Its totient is φ = 114143786024.

The previous prime is 228287572021. The next prime is 228287572063. The reversal of 228287572052 is 250275782822.

It can be written as a sum of positive squares in only one way, i.e., 214106096656 + 14181475396 = 462716^2 + 119086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535946503 + ... + 28535946510.

It is an arithmetic number, because the mean of its divisors is an integer number (66583875183).

Almost surely, 2^228287572052 is an apocalyptic number.

It is an amenable number.

228287572052 is a deficient number, since it is larger than the sum of its proper divisors (171215679046).

228287572052 is a wasteful number, since it uses less digits than its factorization.

228287572052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57071893017 (or 57071893015 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 50.

The spelling of 228287572052 in words is "two hundred twenty-eight billion, two hundred eighty-seven million, five hundred seventy-two thousand, fifty-two".