13622285 has 8 divisors (see below), whose sum is σ = 16411896. Its totient is φ = 10854400.

The previous prime is 13622269. The next prime is 13622293. The reversal of 13622285 is 58222631.

It can be written as a sum of positive squares in 4 ways, for example, as 7678441 + 5943844 = 2771^2 + 2438^2 .

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

It is not a de Polignac number, because 13622285 - 2⁴ = 13622269 is a prime.

It is a Duffinian number.

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, 4016 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (2051487).

Almost surely, 2^13622285 is an apocalyptic number.

It is an amenable number.

13622285 is a deficient number, since it is larger than the sum of its proper divisors (2789611).

13622285 is a wasteful number, since it uses less digits than its factorization.

13622285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863.

The product of its digits is 5760, while the sum is 29.

The square root of 13622285 is about 3690.8379807301. The cubic root of 13622285 is about 238.8269435764.

The spelling of 13622285 in words is "thirteen million, six hundred twenty-two thousand, two hundred eighty-five".