232220228 has 12 divisors (see below), whose sum is σ = 416297532. Its totient is φ = 113278080.

The previous prime is 232220207. The next prime is 232220257. The reversal of 232220228 is 822022232.

It is a happy number.

232220228 is digitally balanced in base 3, 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 2 ways, for example, as 34480384 + 197739844 = 5872^2 + 14062^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707825 + ... + 708152.

It is an arithmetic number, because the mean of its divisors is an integer number (34691461).

Almost surely, 2^232220228 is an apocalyptic number.

It is an amenable number.

232220228 is a deficient number, since it is larger than the sum of its proper divisors (184077304).

232220228 is a wasteful number, since it uses less digits than its factorization.

232220228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416022 (or 1416020 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 232220228 is about 15238.7738351877. The cubic root of 232220228 is about 614.6577318642.

The spelling of 232220228 in words is "two hundred thirty-two million, two hundred twenty thousand, two hundred twenty-eight".