22232211044 has 12 divisors (see below), whose sum is σ = 39307466604. Its totient is φ = 11001506304.

The previous prime is 22232211037. The next prime is 22232211061. The reversal of 22232211044 is 44011223222.

It can be written as a sum of positive squares in 2 ways, for example, as 5433458944 + 16798752100 = 73712^2 + 129610^2 .

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, 28649369 + ... + 28650144.

It is an arithmetic number, because the mean of its divisors is an integer number (3275622217).

Almost surely, 2^22232211044 is an apocalyptic number.

It is an amenable number.

22232211044 is a deficient number, since it is larger than the sum of its proper divisors (17075255560).

22232211044 is a wasteful number, since it uses less digits than its factorization.

22232211044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57299614 (or 57299612 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22232211044 its reverse (44011223222), we get a palindrome (66243434266).

The spelling of 22232211044 in words is "twenty-two billion, two hundred thirty-two million, two hundred eleven thousand, forty-four".