13752222 has 16 divisors (see below), whose sum is σ = 30004992. Its totient is φ = 4167320.

The previous prime is 13752209. The next prime is 13752223. The reversal of 13752222 is 22225731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13752192 and 13752201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13752223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104118 + ... + 104249.

It is an arithmetic number, because the mean of its divisors is an integer number (1875312).

Almost surely, 2^13752222 is an apocalyptic number.

13752222 is an abundant number, since it is smaller than the sum of its proper divisors (16252770).

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

13752222 is a wasteful number, since it uses less digits than its factorization.

13752222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208383.

The product of its digits is 1680, while the sum is 24.

The square root of 13752222 is about 3708.3988458633. The cubic root of 13752222 is about 239.5838970489.

Adding to 13752222 its reverse (22225731), we get a palindrome (35977953).

The spelling of 13752222 in words is "thirteen million, seven hundred fifty-two thousand, two hundred twenty-two".