44212222 has 4 divisors (see below), whose sum is σ = 66318336. Its totient is φ = 22106110.

The previous prime is 44212199. The next prime is 44212237. The reversal of 44212222 is 22221244.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053054 + ... + 11053057.

It is an arithmetic number, because the mean of its divisors is an integer number (16579584).

Almost surely, 2^44212222 is an apocalyptic number.

44212222 is a deficient number, since it is larger than the sum of its proper divisors (22106114).

44212222 is a wasteful number, since it uses less digits than its factorization.

44212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22106113.

The product of its digits is 512, while the sum is 19.

The square root of 44212222 is about 6649.2271731382. The cubic root of 44212222 is about 353.6015125120.

Adding to 44212222 its reverse (22221244), we get a palindrome (66433466).

The spelling of 44212222 in words is "forty-four million, two hundred twelve thousand, two hundred twenty-two".