228284197200 has 90 divisors (see below), whose sum is σ = 792209589054. Its totient is φ = 60875784960.

The previous prime is 228284197189. The next prime is 228284197223. The reversal of 228284197200 is 2791482822.

It is a happy number.

228284197200 is a `hidden beast` number, since 2 + 2 + 8 + 28 + 419 + 7 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 36629366544 + 191654830656 = 191388^2 + 437784^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a super-2 number, since 2×228284197200² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 31702539 + ... + 31709738.

Almost surely, 2^228284197200 is an apocalyptic number.

228284197200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228284197200 is an abundant number, since it is smaller than the sum of its proper divisors (563925391854).

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

228284197200 is a wasteful number, since it uses less digits than its factorization.

228284197200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63412301 (or 63412287 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 228284197200 in words is "two hundred twenty-eight billion, two hundred eighty-four million, one hundred ninety-seven thousand, two hundred".