13240222 has 8 divisors (see below), whose sum is σ = 20140272. Its totient is φ = 6526800.

The previous prime is 13240217. The next prime is 13240223. The reversal of 13240222 is 22204231.

13240222 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 junction number, because it is equal to n+sod(n) for n = 13240196 and 13240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240223) 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, 46479 + ... + 46762.

It is an arithmetic number, because the mean of its divisors is an integer number (2517534).

Almost surely, 2^13240222 is an apocalyptic number.

13240222 is a deficient number, since it is larger than the sum of its proper divisors (6900050).

13240222 is an equidigital number, since it uses as much as digits as its factorization.

13240222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93314.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13240222 is about 3638.7115851631. The cubic root of 13240222 is about 236.5729519413.

Adding to 13240222 its reverse (22204231), we get a palindrome (35444453).

The spelling of 13240222 in words is "thirteen million, two hundred forty thousand, two hundred twenty-two".