14622981 has 8 divisors (see below), whose sum is σ = 19817184. Its totient is φ = 9588720.

The previous prime is 14622961. The next prime is 14622997. The reversal of 14622981 is 18922641.

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

It is not a de Polignac number, because 14622981 - 2¹⁴ = 14606597 is a prime.

It is a super-2 number, since 2×14622981² = 427663146652722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14622901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39771 + ... + 40136.

It is an arithmetic number, because the mean of its divisors is an integer number (2477148).

Almost surely, 2^14622981 is an apocalyptic number.

It is an amenable number.

14622981 is a deficient number, since it is larger than the sum of its proper divisors (5194203).

14622981 is an equidigital number, since it uses as much as digits as its factorization.

14622981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79971.

The product of its digits is 6912, while the sum is 33.

The square root of 14622981 is about 3824.0006537656. Note that the first 3 decimals coincide. The cubic root of 14622981 is about 244.5374083888.

The spelling of 14622981 in words is "fourteen million, six hundred twenty-two thousand, nine hundred eighty-one".