21114232 has 16 divisors (see below), whose sum is σ = 39722760. Its totient is φ = 10521504.

The previous prime is 21114229. The next prime is 21114241. The reversal of 21114232 is 23241112.

It is a congruent number.

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, 1843 + ... + 6754.

Almost surely, 2^21114232 is an apocalyptic number.

It is an amenable number.

21114232 is a deficient number, since it is larger than the sum of its proper divisors (18608528).

21114232 is a wasteful number, since it uses less digits than its factorization.

21114232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910 (or 8906 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 21114232 is about 4595.0225244279. The cubic root of 21114232 is about 276.3917631964.

Adding to 21114232 its reverse (23241112), we get a palindrome (44355344).

The spelling of 21114232 in words is "twenty-one million, one hundred fourteen thousand, two hundred thirty-two".