1444401222 has 16 divisors (see below), whose sum is σ = 3151420992. Its totient is φ = 437697320.

The previous prime is 1444401199. The next prime is 1444401253. The reversal of 1444401222 is 2221044441.

It is a junction number, because it is equal to n+sod(n) for n = 1444401192 and 1444401201.

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, 10942368 + ... + 10942499.

It is an arithmetic number, because the mean of its divisors is an integer number (196963812).

Almost surely, 2^1444401222 is an apocalyptic number.

1444401222 is an abundant number, since it is smaller than the sum of its proper divisors (1707019770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444401222 is a wasteful number, since it uses less digits than its factorization.

1444401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884883.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1444401222 is about 38005.2788701780. The cubic root of 1444401222 is about 1130.3925391142.

Adding to 1444401222 its reverse (2221044441), we get a palindrome (3665445663).

The spelling of 1444401222 in words is "one billion, four hundred forty-four million, four hundred one thousand, two hundred twenty-two".