22004040442 has 16 divisors (see below), whose sum is σ = 33573074400. Its totient is φ = 10813100080.

The previous prime is 22004040427. The next prime is 22004040451. The reversal of 22004040442 is 24404040022.

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, 573909 + ... + 611047.

It is an arithmetic number, because the mean of its divisors is an integer number (2098317150).

Almost surely, 2^22004040442 is an apocalyptic number.

22004040442 is a deficient number, since it is larger than the sum of its proper divisors (11569033958).

22004040442 is a wasteful number, since it uses less digits than its factorization.

22004040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42221.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22004040442 its reverse (24404040022), we get a palindrome (46408080464).

The spelling of 22004040442 in words is "twenty-two billion, four million, forty thousand, four hundred forty-two".