144427222 has 16 divisors (see below), whose sum is σ = 218350080. Its totient is φ = 71646568.

The previous prime is 144427219. The next prime is 144427249. The reversal of 144427222 is 222724441.

144427222 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222903 + ... + 223549.

It is an arithmetic number, because the mean of its divisors is an integer number (13646880).

Almost surely, 2^144427222 is an apocalyptic number.

144427222 is a deficient number, since it is larger than the sum of its proper divisors (73922858).

144427222 is a wasteful number, since it uses less digits than its factorization.

144427222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 7168, while the sum is 28.

The square root of 144427222 is about 12017.7877331895. The cubic root of 144427222 is about 524.6661181688. Note that the first 3 decimals are identical.

The spelling of 144427222 in words is "one hundred forty-four million, four hundred twenty-seven thousand, two hundred twenty-two".