228285452368 has 20 divisors (see below), whose sum is σ = 442819196820. Its totient is φ = 114009530624.

The previous prime is 228285452341. The next prime is 228285452449. The reversal of 228285452368 is 863254582822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113925150784 + 114360301584 = 337528^2 + 338172^2 .

It is a super-2 number, since 2×228285452368² (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, 8310583 + ... + 8338006.

It is an arithmetic number, because the mean of its divisors is an integer number (22140959841).

Almost surely, 2^228285452368 is an apocalyptic number.

It is an amenable number.

228285452368 is a deficient number, since it is larger than the sum of its proper divisors (214533744452).

228285452368 is a wasteful number, since it uses less digits than its factorization.

228285452368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649454 (or 16649448 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 55.

The spelling of 228285452368 in words is "two hundred twenty-eight billion, two hundred eighty-five million, four hundred fifty-two thousand, three hundred sixty-eight".