221514124 has 12 divisors (see below), whose sum is σ = 417469024. Its totient is φ = 102237264.

The previous prime is 221514101. The next prime is 221514133. The reversal of 221514124 is 421415122.

221514124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221514095 and 221514104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129892 + ... + 2129995.

Almost surely, 2^221514124 is an apocalyptic number.

It is an amenable number.

221514124 is a deficient number, since it is larger than the sum of its proper divisors (195954900).

221514124 is a wasteful number, since it uses less digits than its factorization.

221514124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259904 (or 4259902 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 221514124 is about 14883.3505636332. The cubic root of 221514124 is about 605.0628298021.

Adding to 221514124 its reverse (421415122), we get a palindrome (642929246).

The spelling of 221514124 in words is "two hundred twenty-one million, five hundred fourteen thousand, one hundred twenty-four".