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14722 = 217433

14722 has 8 divisors (see below), whose sum is σ = 23436. Its totient is φ = 6912.

The previous prime is 14717. The next prime is 14723. The reversal of 14722 is 22741.

14722 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 14641 + 81 = 121^2 + 9^2 .

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

It is a d-powerful number, because it can be written as 1 + 46 + 74 + 25 + 213 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 14696 and 14705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14723) 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, 183 + ... + 250.

214722 is an apocalyptic number.

14722 is a deficient number, since it is larger than the sum of its proper divisors (8714).

14722 is a wasteful number, since it uses less digits than its factorization.

14722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 112, while the sum is 16.

The square root of 14722 is about 121.3342490808. The cubic root of 14722 is about 24.5088126010.

Subtracting from 14722 its sum of digits (16), we obtain a triangular number (14706 = T171).

It can be divided in two parts, 147 and 22, that added together give a square (169 = 132).

The spelling of 14722 in words is "fourteen thousand, seven hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 17 34 433 866 7361 14722