180700228 has 6 divisors (see below), whose sum is σ = 316225406. Its totient is φ = 90350112.

The previous prime is 180700207. The next prime is 180700229. The reversal of 180700228 is 822007081.

It can be written as a sum of positive squares in only one way, i.e., 170511364 + 10188864 = 13058^2 + 3192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180700196 and 180700205.

It is not an unprimeable number, because it can be changed into a prime (180700229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22587525 + ... + 22587532.

Almost surely, 2^180700228 is an apocalyptic number.

It is an amenable number.

180700228 is a deficient number, since it is larger than the sum of its proper divisors (135525178).

180700228 is a wasteful number, since it uses less digits than its factorization.

180700228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45175061 (or 45175059 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 180700228 is about 13442.4784917068. The cubic root of 180700228 is about 565.3528252830.

The spelling of 180700228 in words is "one hundred eighty million, seven hundred thousand, two hundred twenty-eight".