207320228 has 6 divisors (see below), whose sum is σ = 362810406. Its totient is φ = 103660112.

The previous prime is 207320221. The next prime is 207320237. The reversal of 207320228 is 822023702.

207320228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 66945124 = 11848^2 + 8182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 207320197 and 207320206.

It is not an unprimeable number, because it can be changed into a prime (207320221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25915025 + ... + 25915032.

It is an arithmetic number, because the mean of its divisors is an integer number (60468401).

Almost surely, 2^207320228 is an apocalyptic number.

It is an amenable number.

207320228 is a deficient number, since it is larger than the sum of its proper divisors (155490178).

207320228 is a wasteful number, since it uses less digits than its factorization.

207320228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51830061 (or 51830059 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 207320228 is about 14398.6189615532. The cubic root of 207320228 is about 591.8530535267.

The spelling of 207320228 in words is "two hundred seven million, three hundred twenty thousand, two hundred twenty-eight".