21446114 has 8 divisors (see below), whose sum is σ = 32215260. Its totient is φ = 10707696.

The previous prime is 21446107. The next prime is 21446123. The reversal of 21446114 is 41164412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21003889 + 442225 = 4583^2 + 665^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21446114.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5849 + ... + 8780.

Almost surely, 2^21446114 is an apocalyptic number.

21446114 is a deficient number, since it is larger than the sum of its proper divisors (10769146).

21446114 is a wasteful number, since it uses less digits than its factorization.

21446114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15364.

The product of its digits is 768, while the sum is 23.

The square root of 21446114 is about 4630.9949254993. The cubic root of 21446114 is about 277.8323869287.

The spelling of 21446114 in words is "twenty-one million, four hundred forty-six thousand, one hundred fourteen".