22123033444 has 24 divisors (see below), whose sum is σ = 38906558208. Its totient is φ = 11006919840.

The previous prime is 22123033411. The next prime is 22123033463. The reversal of 22123033444 is 44433032122.

It is a super-2 number, since 2×22123033444² (a number of 21 digits) contains 22 as substring.

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, 2681694 + ... + 2689930.

It is an arithmetic number, because the mean of its divisors is an integer number (1621106592).

Almost surely, 2^22123033444 is an apocalyptic number.

It is an amenable number.

22123033444 is a deficient number, since it is larger than the sum of its proper divisors (16783524764).

22123033444 is a wasteful number, since it uses less digits than its factorization.

22123033444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475 (or 11473 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22123033444 its reverse (44433032122), we get a palindrome (66556065566).

The spelling of 22123033444 in words is "twenty-two billion, one hundred twenty-three million, thirty-three thousand, four hundred forty-four".