21914110 has 16 divisors (see below), whose sum is σ = 39503376. Its totient is φ = 8752768.

The previous prime is 21914107. The next prime is 21914129. The reversal of 21914110 is 1141912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8649 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (2468961).

Almost surely, 2^21914110 is an apocalyptic number.

21914110 is a deficient number, since it is larger than the sum of its proper divisors (17589266).

21914110 is a wasteful number, since it uses less digits than its factorization.

21914110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 21914110 is about 4681.2509012015. The cubic root of 21914110 is about 279.8388102857.

The spelling of 21914110 in words is "twenty-one million, nine hundred fourteen thousand, one hundred ten".