228237308120 has 32 divisors (see below), whose sum is σ = 513650499120. Its totient is φ = 91274202240.

The previous prime is 228237308107. The next prime is 228237308137. The reversal of 228237308120 is 21803732822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468482 + ... + 822161.

Almost surely, 2^228237308120 is an apocalyptic number.

228237308120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228237308120 is an abundant number, since it is smaller than the sum of its proper divisors (285413191000).

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

228237308120 is a wasteful number, since it uses less digits than its factorization.

228237308120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295075 (or 1295071 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 228237308120 in words is "two hundred twenty-eight billion, two hundred thirty-seven million, three hundred eight thousand, one hundred twenty".