13326222 has 32 divisors (see below), whose sum is σ = 32804352. Its totient is φ = 3514464.

The previous prime is 13326217. The next prime is 13326251. The reversal of 13326222 is 22262331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11658 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (1025136).

Almost surely, 2^13326222 is an apocalyptic number.

13326222 is an abundant number, since it is smaller than the sum of its proper divisors (19478130).

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

13326222 is a wasteful number, since it uses less digits than its factorization.

13326222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24432.

The product of its digits is 864, while the sum is 21.

The square root of 13326222 is about 3650.5098274077. The cubic root of 13326222 is about 237.0840557124.

Adding to 13326222 its reverse (22262331), we get a palindrome (35588553).

The spelling of 13326222 in words is "thirteen million, three hundred twenty-six thousand, two hundred twenty-two".