22002444244 has 24 divisors (see below), whose sum is σ = 42041966400. Its totient is φ = 9992230080.

The previous prime is 22002444223. The next prime is 22002444263. The reversal of 22002444244 is 44244420022.

It is a congruent number.

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, 171784 + ... + 271135.

It is an arithmetic number, because the mean of its divisors is an integer number (1751748600).

Almost surely, 2^22002444244 is an apocalyptic number.

It is an amenable number.

22002444244 is a deficient number, since it is larger than the sum of its proper divisors (20039522156).

22002444244 is a wasteful number, since it uses less digits than its factorization.

22002444244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444063 (or 444061 counting only the distinct ones).

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

Adding to 22002444244 its reverse (44244420022), we get a palindrome (66246864266).

The spelling of 22002444244 in words is "twenty-two billion, two million, four hundred forty-four thousand, two hundred forty-four".