13722285 has 8 divisors (see below), whose sum is σ = 21955680. Its totient is φ = 7318544.

The previous prime is 13722277. The next prime is 13722311. The reversal of 13722285 is 58222731.

13722285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13722285 - 2³ = 13722277 is a prime.

It is a super-2 number, since 2×13722285² = 376602211242450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457395 + ... + 457424.

It is an arithmetic number, because the mean of its divisors is an integer number (2744460).

Almost surely, 2^13722285 is an apocalyptic number.

13722285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13722285 is a deficient number, since it is larger than the sum of its proper divisors (8233395).

13722285 is an equidigital number, since it uses as much as digits as its factorization.

13722285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914827.

The product of its digits is 6720, while the sum is 30.

The square root of 13722285 is about 3704.3602686564. The cubic root of 13722285 is about 239.4099219162.

It can be divided in two parts, 137 and 22285, that added together give a palindrome (22422).

The spelling of 13722285 in words is "thirteen million, seven hundred twenty-two thousand, two hundred eighty-five".