22404012244 has 24 divisors (see below), whose sum is σ = 39586942080. Its totient is φ = 11093529216.

The previous prime is 22404012223. The next prime is 22404012259. The reversal of 22404012244 is 44221040422.

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, 1575237 + ... + 1589395.

It is an arithmetic number, because the mean of its divisors is an integer number (1649455920).

Almost surely, 2^22404012244 is an apocalyptic number.

It is an amenable number.

22404012244 is a deficient number, since it is larger than the sum of its proper divisors (17182929836).

22404012244 is a wasteful number, since it uses less digits than its factorization.

22404012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17967 (or 17965 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22404012244 its reverse (44221040422), we get a palindrome (66625052666).

The spelling of 22404012244 in words is "twenty-two billion, four hundred four million, twelve thousand, two hundred forty-four".