13662222 has 32 divisors (see below), whose sum is σ = 31387392. Its totient is φ = 3883584.

The previous prime is 13662221. The next prime is 13662247. The reversal of 13662222 is 22226631.

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

13662222 is a modest number, since divided by 2222 gives 1366 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13662192 and 13662201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8818 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (980856).

Almost surely, 2^13662222 is an apocalyptic number.

13662222 is an abundant number, since it is smaller than the sum of its proper divisors (17725170).

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

13662222 is a wasteful number, since it uses less digits than its factorization.

13662222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672.

The product of its digits is 1728, while the sum is 24.

The square root of 13662222 is about 3696.2443101072. The cubic root of 13662222 is about 239.0601087120.

Adding to 13662222 its reverse (22226631), we get a palindrome (35888853).

The spelling of 13662222 in words is "thirteen million, six hundred sixty-two thousand, two hundred twenty-two".