21266114 has 8 divisors (see below), whose sum is σ = 32090688. Its totient is φ = 10569220.

The previous prime is 21266087. The next prime is 21266117. The reversal of 21266114 is 41166212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21266114.

It is not an unprimeable number, because it can be changed into a prime (21266117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31502 + ... + 32169.

It is an arithmetic number, because the mean of its divisors is an integer number (4011336).

Almost surely, 2^21266114 is an apocalyptic number.

21266114 is a deficient number, since it is larger than the sum of its proper divisors (10824574).

21266114 is a wasteful number, since it uses less digits than its factorization.

21266114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63840.

The product of its digits is 576, while the sum is 23.

The square root of 21266114 is about 4611.5197061273. The cubic root of 21266114 is about 277.0529077389.

The spelling of 21266114 in words is "twenty-one million, two hundred sixty-six thousand, one hundred fourteen".