22404004444 has 12 divisors (see below), whose sum is σ = 39426042600. Its totient is φ = 11139420848.

The previous prime is 22404004397. The next prime is 22404004459. The reversal of 22404004444 is 44440040422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15644539 + ... + 15645970.

It is an arithmetic number, because the mean of its divisors is an integer number (3285503550).

Almost surely, 2^22404004444 is an apocalyptic number.

It is an amenable number.

22404004444 is a deficient number, since it is larger than the sum of its proper divisors (17022038156).

22404004444 is a wasteful number, since it uses less digits than its factorization.

22404004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31290692 (or 31290690 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22404004444 its reverse (44440040422), we get a palindrome (66844044866).

The spelling of 22404004444 in words is "twenty-two billion, four hundred four million, four thousand, four hundred forty-four".