22142343200042 has 16 divisors (see below), whose sum is σ = 36029483775432. Its totient is φ = 10144947809280.

The previous prime is 22142343199913. The next prime is 22142343200057. The reversal of 22142343200042 is 24000234324122.

It can be written as a sum of positive squares in 4 ways, for example, as 17160380815081 + 4981962384961 = 4142509^2 + 2232031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22142343199978 and 22142343200014.

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, 3108129959 + ... + 3108137082.

Almost surely, 2^{22142343200042} is an apocalyptic number.

22142343200042 is a deficient number, since it is larger than the sum of its proper divisors (13887140575390).

22142343200042 is a wasteful number, since it uses less digits than its factorization.

22142343200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216267193.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22142343200042 its reverse (24000234324122), we get a palindrome (46142577524164).

The spelling of 22142343200042 in words is "twenty-two trillion, one hundred forty-two billion, three hundred forty-three million, two hundred thousand, forty-two".