207228860 has 48 divisors (see below), whose sum is σ = 451706304. Its totient is φ = 79792128.

The previous prime is 207228859. The next prime is 207228881. The reversal of 207228860 is 68822702.

It is a self number, because there is not a number n which added to its sum of digits gives 207228860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70337 + ... + 73223.

It is an arithmetic number, because the mean of its divisors is an integer number (9410548).

Almost surely, 2^207228860 is an apocalyptic number.

207228860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207228860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225853152).

207228860 is an abundant number, since it is smaller than the sum of its proper divisors (244477444).

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

207228860 is a wasteful number, since it uses less digits than its factorization.

207228860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 207228860 is about 14395.4458076157. The cubic root of 207228860 is about 591.7660956576.

The spelling of 207228860 in words is "two hundred seven million, two hundred twenty-eight thousand, eight hundred sixty".