237998228 has 12 divisors (see below), whose sum is σ = 448535220. Its totient is φ = 109845312.

The previous prime is 237998209. The next prime is 237998231. The reversal of 237998228 is 822899732.

It can be written as a sum of positive squares in 2 ways, for example, as 125171344 + 112826884 = 11188^2 + 10622^2 .

It is a super-2 number, since 2×237998228² = 113286313062279968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288393 + ... + 2288496.

It is an arithmetic number, because the mean of its divisors is an integer number (37377935).

Almost surely, 2^237998228 is an apocalyptic number.

It is an amenable number.

237998228 is a deficient number, since it is larger than the sum of its proper divisors (210536992).

237998228 is a wasteful number, since it uses less digits than its factorization.

237998228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576906 (or 4576904 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 237998228 is about 15427.1911895847. The cubic root of 237998228 is about 619.7139054650.

The spelling of 237998228 in words is "two hundred thirty-seven million, nine hundred ninety-eight thousand, two hundred twenty-eight".