1442221022231 has 16 divisors (see below), whose sum is σ = 1576344026400. Its totient is φ = 1308600852480.

The previous prime is 1442221022129. The next prime is 1442221022261. The reversal of 1442221022231 is 1322201222441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1442221022231 - 2²² = 1442216827927 is a prime.

It is a super-2 number, since 2×1442221022231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442221022231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442221022261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41726945 + ... + 41761493.

It is an arithmetic number, because the mean of its divisors is an integer number (98521501650).

Almost surely, 2^{1442221022231} is an apocalyptic number.

1442221022231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1442221022231 is a deficient number, since it is larger than the sum of its proper divisors (134123004169).

1442221022231 is a wasteful number, since it uses less digits than its factorization.

1442221022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41714.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1442221022231 its reverse (1322201222441), we get a palindrome (2764422244672).

It can be divided in two parts, 14422210 and 22231, that added together give a palindrome (14444441).

The spelling of 1442221022231 in words is "one trillion, four hundred forty-two billion, two hundred twenty-one million, twenty-two thousand, two hundred thirty-one".