1442021002422 has 128 divisors (see below), whose sum is σ = 3976937008128. Its totient is φ = 336394944000.

The previous prime is 1442021002403. The next prime is 1442021002423. The reversal of 1442021002422 is 2242001202441.

It is a happy number.

It is a super-2 number, since 2×1442021002422² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442021002392 and 1442021002401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442021002423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3022329 + ... + 3466772.

It is an arithmetic number, because the mean of its divisors is an integer number (31069820376).

Almost surely, 2^{1442021002422} is an apocalyptic number.

1442021002422 is an abundant number, since it is smaller than the sum of its proper divisors (2534916005706).

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

1442021002422 is a wasteful number, since it uses less digits than its factorization.

1442021002422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489174.

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

Adding to 1442021002422 its reverse (2242001202441), we get a palindrome (3684022204863).

The spelling of 1442021002422 in words is "one trillion, four hundred forty-two billion, twenty-one million, two thousand, four hundred twenty-two".