144443222 has 16 divisors (see below), whose sum is σ = 270127872. Its totient is φ = 56276520.

The previous prime is 144443219. The next prime is 144443281. The reversal of 144443222 is 222344441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144443191 and 144443200.

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, 468818 + ... + 469125.

It is an arithmetic number, because the mean of its divisors is an integer number (16882992).

Almost surely, 2^144443222 is an apocalyptic number.

144443222 is a deficient number, since it is larger than the sum of its proper divisors (125684650).

144443222 is a wasteful number, since it uses less digits than its factorization.

144443222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937963.

The product of its digits is 6144, while the sum is 26.

The square root of 144443222 is about 12018.4533946760. The cubic root of 144443222 is about 524.6854920509.

Adding to 144443222 its reverse (222344441), we get a palindrome (366787663).

The spelling of 144443222 in words is "one hundred forty-four million, four hundred forty-three thousand, two hundred twenty-two".