22142343121342 has 16 divisors (see below), whose sum is σ = 33253549903872. Its totient is φ = 11057832297720.

The previous prime is 22142343121333. The next prime is 22142343121411. The reversal of 22142343121342 is 24312134324122.

It is a junction number, because it is equal to n+sod(n) for n = 22142343121298 and 22142343121307.

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, 6182463 + ... + 9083365.

It is an arithmetic number, because the mean of its divisors is an integer number (2078346868992).

Almost surely, 2^{22142343121342} is an apocalyptic number.

22142343121342 is a deficient number, since it is larger than the sum of its proper divisors (11111206782530).

22142343121342 is a wasteful number, since it uses less digits than its factorization.

22142343121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905503.

The product of its digits is 55296, while the sum is 34.

Adding to 22142343121342 its reverse (24312134324122), we get a palindrome (46454477445464).

The spelling of 22142343121342 in words is "twenty-two trillion, one hundred forty-two billion, three hundred forty-three million, one hundred twenty-one thousand, three hundred forty-two".