21714334 has 4 divisors (see below), whose sum is σ = 32571504. Its totient is φ = 10857166.

The previous prime is 21714317. The next prime is 21714337. The reversal of 21714334 is 43341712.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21714299 and 21714308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428582 + ... + 5428585.

It is an arithmetic number, because the mean of its divisors is an integer number (8142876).

Almost surely, 2^21714334 is an apocalyptic number.

21714334 is a deficient number, since it is larger than the sum of its proper divisors (10857170).

21714334 is a wasteful number, since it uses less digits than its factorization.

21714334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857169.

The product of its digits is 2016, while the sum is 25.

The square root of 21714334 is about 4659.8641611103. The cubic root of 21714334 is about 278.9858465005.

The spelling of 21714334 in words is "twenty-one million, seven hundred fourteen thousand, three hundred thirty-four".