13347222 has 64 divisors (see below), whose sum is σ = 32707584. Its totient is φ = 3548160.

The previous prime is 13347203. The next prime is 13347223. The reversal of 13347222 is 22274331.

It is a super-3 number, since 3×13347222³ (a number of 22 digits) contains 333 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13347192 and 13347201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13347223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39438 + ... + 39774.

It is an arithmetic number, because the mean of its divisors is an integer number (511056).

Almost surely, 2^13347222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13347222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16353792).

13347222 is an abundant number, since it is smaller than the sum of its proper divisors (19360362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13347222 is a wasteful number, since it uses less digits than its factorization.

13347222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 2016, while the sum is 24.

The square root of 13347222 is about 3653.3850057173. The cubic root of 13347222 is about 237.2085259039.

The spelling of 13347222 in words is "thirteen million, three hundred forty-seven thousand, two hundred twenty-two".