221650112 has 28 divisors (see below), whose sum is σ = 441127896. Its totient is φ = 110499840.

The previous prime is 221650111. The next prime is 221650127. The reversal of 221650112 is 211056122.

221650112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221650112² = 98257544299225088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221650111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17687 + ... + 27497.

Almost surely, 2^221650112 is an apocalyptic number.

It is an amenable number.

221650112 is a deficient number, since it is larger than the sum of its proper divisors (219477784).

221650112 is an equidigital number, since it uses as much as digits as its factorization.

221650112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176 (or 10166 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 221650112 is about 14887.9183232580. The cubic root of 221650112 is about 605.1866209337.

The spelling of 221650112 in words is "two hundred twenty-one million, six hundred fifty thousand, one hundred twelve".