21614714 has 12 divisors (see below), whose sum is σ = 35637882. Its totient is φ = 9824760.

The previous prime is 21614693. The next prime is 21614731. The reversal of 21614714 is 41741612.

It can be written as a sum of positive squares in only one way, i.e., 19070689 + 2544025 = 4367^2 + 1595^2 .

It is a super-2 number, since 2×21614714² = 934391722603592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44417 + ... + 44900.

Almost surely, 2^21614714 is an apocalyptic number.

21614714 is a deficient number, since it is larger than the sum of its proper divisors (14023168).

21614714 is a wasteful number, since it uses less digits than its factorization.

21614714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89341 (or 89330 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 21614714 is about 4649.1627203186. The cubic root of 21614714 is about 278.5585530131.

The spelling of 21614714 in words is "twenty-one million, six hundred fourteen thousand, seven hundred fourteen".