221230162 has 8 divisors (see below), whose sum is σ = 338106636. Its totient is φ = 108527952.

The previous prime is 221230159. The next prime is 221230187. The reversal of 221230162 is 261032122.

It can be written as a sum of positive squares in 2 ways, for example, as 221146641 + 83521 = 14871^2 + 289^2 .

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

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, 1043433 + ... + 1043644.

Almost surely, 2^221230162 is an apocalyptic number.

221230162 is a deficient number, since it is larger than the sum of its proper divisors (116876474).

221230162 is a wasteful number, since it uses less digits than its factorization.

221230162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087132.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 221230162 is about 14873.8079186199. The cubic root of 221230162 is about 604.8041731262.

Adding to 221230162 its reverse (261032122), we get a palindrome (482262284).

The spelling of 221230162 in words is "two hundred twenty-one million, two hundred thirty thousand, one hundred sixty-two".