22004004242 has 16 divisors (see below), whose sum is σ = 36207712800. Its totient is φ = 9945942240.

The previous prime is 22004004181. The next prime is 22004004287. The reversal of 22004004242 is 24240040022.

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, 2789867 + ... + 2797742.

It is an arithmetic number, because the mean of its divisors is an integer number (2262982050).

Almost surely, 2^22004004242 is an apocalyptic number.

22004004242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22004004242 is a deficient number, since it is larger than the sum of its proper divisors (14203708558).

22004004242 is a wasteful number, since it uses less digits than its factorization.

22004004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587801.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22004004242 its reverse (24240040022), we get a palindrome (46244044264).

The spelling of 22004004242 in words is "twenty-two billion, four million, four thousand, two hundred forty-two".