14722881 has 4 divisors (see below), whose sum is σ = 19630512. Its totient is φ = 9815252.

The previous prime is 14722849. The next prime is 14722889. The reversal of 14722881 is 18822741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14722881 - 2⁵ = 14722849 is a prime.

It is a super-2 number, since 2×14722881² = 433526449880322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14722889) 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, 2453811 + ... + 2453816.

It is an arithmetic number, because the mean of its divisors is an integer number (4907628).

Almost surely, 2^14722881 is an apocalyptic number.

It is an amenable number.

14722881 is a deficient number, since it is larger than the sum of its proper divisors (4907631).

14722881 is an equidigital number, since it uses as much as digits as its factorization.

14722881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907630.

The product of its digits is 7168, while the sum is 33.

The square root of 14722881 is about 3837.0406565477. The cubic root of 14722881 is about 245.0930148003.

The spelling of 14722881 in words is "fourteen million, seven hundred twenty-two thousand, eight hundred eighty-one".