22142244142042 has 32 divisors (see below), whose sum is σ = 34290738104832. Its totient is φ = 10715171914944.

The previous prime is 22142244142037. The next prime is 22142244142043. The reversal of 22142244142042 is 24024144224122.

It is a junction number, because it is equal to n+sod(n) for n = 22142244141989 and 22142244142007.

It is not an unprimeable number, because it can be changed into a prime (22142244142043) 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, 77456023 + ... + 77741365.

It is an arithmetic number, because the mean of its divisors is an integer number (1071585565776).

Almost surely, 2^{22142244142042} is an apocalyptic number.

22142244142042 is a deficient number, since it is larger than the sum of its proper divisors (12148493962790).

22142244142042 is a wasteful number, since it uses less digits than its factorization.

22142244142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290902.

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 22142244142042 its reverse (24024144224122), we get a palindrome (46166388366164).

The spelling of 22142244142042 in words is "twenty-two trillion, one hundred forty-two billion, two hundred forty-four million, one hundred forty-two thousand, forty-two".