232220986 has 8 divisors (see below), whose sum is σ = 368821620. Its totient is φ = 109280448.

The previous prime is 232220981. The next prime is 232220999. The reversal of 232220986 is 689022232.

It can be written as a sum of positive squares in 2 ways, for example, as 218300625 + 13920361 = 14775^2 + 3731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 6830029 = 232220986 / (2 + 3 + 2 + 2 + 2 + 0 + 9 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (232220981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414981 + ... + 3415048.

Almost surely, 2^232220986 is an apocalyptic number.

232220986 is a deficient number, since it is larger than the sum of its proper divisors (136600634).

232220986 is a wasteful number, since it uses less digits than its factorization.

232220986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830048.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 232220986 is about 15238.7987059348. The cubic root of 232220986 is about 614.6584006403.

The spelling of 232220986 in words is "two hundred thirty-two million, two hundred twenty thousand, nine hundred eighty-six".