22025004424 has 32 divisors (see below), whose sum is σ = 43104597120. Its totient is φ = 10530716416.

The previous prime is 22025004373. The next prime is 22025004433. The reversal of 22025004424 is 42440052022.

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, 722352 + ... + 752224.

It is an arithmetic number, because the mean of its divisors is an integer number (1347018660).

Almost surely, 2^22025004424 is an apocalyptic number.

It is an amenable number.

22025004424 is a deficient number, since it is larger than the sum of its proper divisors (21079592696).

22025004424 is a wasteful number, since it uses less digits than its factorization.

22025004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33909 (or 33905 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22025004424 its reverse (42440052022), we get a palindrome (64465056446).

The spelling of 22025004424 in words is "twenty-two billion, twenty-five million, four thousand, four hundred twenty-four".