228443322552 has 16 divisors (see below), whose sum is σ = 571108306440. Its totient is φ = 76147774176.

The previous prime is 228443322479. The next prime is 228443322593. The reversal of 228443322552 is 255223344822.

It is a super-2 number, since 2×228443322552² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759235863 + ... + 4759235910.

Almost surely, 2^228443322552 is an apocalyptic number.

It is an amenable number.

228443322552 is an abundant number, since it is smaller than the sum of its proper divisors (342664983888).

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

228443322552 is a wasteful number, since it uses less digits than its factorization.

228443322552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518471782 (or 9518471778 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

The spelling of 228443322552 in words is "two hundred twenty-eight billion, four hundred forty-three million, three hundred twenty-two thousand, five hundred fifty-two".