13444222 has 8 divisors (see below), whose sum is σ = 21999672. Its totient is φ = 6111000.

The previous prime is 13444157. The next prime is 13444231. The reversal of 13444222 is 22244431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 611101 = 13444222 / (1 + 3 + 4 + 4 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13444193 and 13444202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 305529 + ... + 305572.

It is an arithmetic number, because the mean of its divisors is an integer number (2749959).

Almost surely, 2^13444222 is an apocalyptic number.

13444222 is a deficient number, since it is larger than the sum of its proper divisors (8555450).

13444222 is a wasteful number, since it uses less digits than its factorization.

13444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611114.

The product of its digits is 1536, while the sum is 22.

The square root of 13444222 is about 3666.6363332079. The cubic root of 13444222 is about 237.7817715740.

Adding to 13444222 its reverse (22244431), we get a palindrome (35688653).

The spelling of 13444222 in words is "thirteen million, four hundred forty-four thousand, two hundred twenty-two".