1444400222 has 4 divisors (see below), whose sum is σ = 2166600336. Its totient is φ = 722200110.

The previous prime is 1444400219. The next prime is 1444400233. The reversal of 1444400222 is 2220044441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2220044441 = 443 ⋅5011387.

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, 361100054 + ... + 361100057.

It is an arithmetic number, because the mean of its divisors is an integer number (541650084).

Almost surely, 2^1444400222 is an apocalyptic number.

1444400222 is a deficient number, since it is larger than the sum of its proper divisors (722200114).

1444400222 is an equidigital number, since it uses as much as digits as its factorization.

1444400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722200113.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1444400222 is about 38005.2657141086. The cubic root of 1444400222 is about 1130.3922782465.

Adding to 1444400222 its reverse (2220044441), we get a palindrome (3664444663).

The spelling of 1444400222 in words is "one billion, four hundred forty-four million, four hundred thousand, two hundred twenty-two".