1444340142222 has 16 divisors (see below), whose sum is σ = 2889118108800. Its totient is φ = 481373743352.

The previous prime is 1444340142211. The next prime is 1444340142281. The reversal of 1444340142222 is 2222410434441.

It is a super-2 number, since 2×1444340142222² (a number of 25 digits) contains 22 as substring.

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, 18199788 + ... + 18278975.

It is an arithmetic number, because the mean of its divisors is an integer number (180569881800).

Almost surely, 2^{1444340142222} is an apocalyptic number.

1444340142222 is an abundant number, since it is smaller than the sum of its proper divisors (1444777966578).

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

1444340142222 is a wasteful number, since it uses less digits than its factorization.

1444340142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36485367.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 1444340142222 its reverse (2222410434441), we get a palindrome (3666750576663).

The spelling of 1444340142222 in words is "one trillion, four hundred forty-four billion, three hundred forty million, one hundred forty-two thousand, two hundred twenty-two".