1000442221422 has 32 divisors (see below), whose sum is σ = 2299943158272. Its totient is φ = 284188374624.

The previous prime is 1000442221393. The next prime is 1000442221453. The reversal of 1000442221422 is 2241222440001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000442221392 and 1000442221401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68836818 + ... + 68851349.

It is an arithmetic number, because the mean of its divisors is an integer number (71873223696).

Almost surely, 2^{1000442221422} is an apocalyptic number.

1000442221422 is an abundant number, since it is smaller than the sum of its proper divisors (1299500936850).

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

1000442221422 is a wasteful number, since it uses less digits than its factorization.

1000442221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137688352.

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

Adding to 1000442221422 its reverse (2241222440001), we get a palindrome (3241664661423).

The spelling of 1000442221422 in words is "one trillion, four hundred forty-two million, two hundred twenty-one thousand, four hundred twenty-two".