2143342204422 has 32 divisors (see below), whose sum is σ = 4378434089472. Its totient is φ = 699159563424.

The previous prime is 2143342204397. The next prime is 2143342204429. The reversal of 2143342204422 is 2244022433412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143342204429) 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, 1822848 + ... + 2758524.

It is an arithmetic number, because the mean of its divisors is an integer number (136826065296).

Almost surely, 2^{2143342204422} is an apocalyptic number.

2143342204422 is an abundant number, since it is smaller than the sum of its proper divisors (2235091885050).

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

2143342204422 is a wasteful number, since it uses less digits than its factorization.

2143342204422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943852.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2143342204422 its reverse (2244022433412), we get a palindrome (4387364637834).

The spelling of 2143342204422 in words is "two trillion, one hundred forty-three billion, three hundred forty-two million, two hundred four thousand, four hundred twenty-two".