22004204442 has 16 divisors (see below), whose sum is σ = 48009173472. Its totient is φ = 6667940720.

The previous prime is 22004204381. The next prime is 22004204527. The reversal of 22004204442 is 24440240022.

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, 166698453 + ... + 166698584.

It is an arithmetic number, because the mean of its divisors is an integer number (3000573342).

Almost surely, 2^22004204442 is an apocalyptic number.

22004204442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22004204442 is an abundant number, since it is smaller than the sum of its proper divisors (26004969030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22004204442 is a wasteful number, since it uses less digits than its factorization.

22004204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333397053.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22004204442 its reverse (24440240022), we get a palindrome (46444444464).

The spelling of 22004204442 in words is "twenty-two billion, four million, two hundred four thousand, four hundred forty-two".