22142422442 has 16 divisors (see below), whose sum is σ = 38415771072. Its totient is φ = 9375276480.

The previous prime is 22142422427. The next prime is 22142422447. The reversal of 22142422442 is 24422424122.

It is not an unprimeable number, because it can be changed into a prime (22142422447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9526559 + ... + 9528882.

It is an arithmetic number, because the mean of its divisors is an integer number (2400985692).

Almost surely, 2^22142422442 is an apocalyptic number.

22142422442 is a deficient number, since it is larger than the sum of its proper divisors (16273348630).

22142422442 is a wasteful number, since it uses less digits than its factorization.

22142422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055533.

The product of its digits is 16384, while the sum is 29.

Adding to 22142422442 its reverse (24422424122), we get a palindrome (46564846564).

The spelling of 22142422442 in words is "twenty-two billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred forty-two".