21914703 has 6 divisors (see below), whose sum is σ = 31654584. Its totient is φ = 14609796.

The previous prime is 21914689. The next prime is 21914707. The reversal of 21914703 is 30741912.

21914703 is a `hidden beast` number, since 2 + 191 + 470 + 3 = 666.

It is not a de Polignac number, because 21914703 - 2⁴ = 21914687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21914707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1217475 + ... + 1217492.

It is an arithmetic number, because the mean of its divisors is an integer number (5275764).

Almost surely, 2^21914703 is an apocalyptic number.

21914703 is a deficient number, since it is larger than the sum of its proper divisors (9739881).

21914703 is a wasteful number, since it uses less digits than its factorization.

21914703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434973 (or 2434970 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 21914703 is about 4681.3142385446. The cubic root of 21914703 is about 279.8413344268.

The spelling of 21914703 in words is "twenty-one million, nine hundred fourteen thousand, seven hundred three".