22253422544 has 20 divisors (see below), whose sum is σ = 43133000100. Its totient is φ = 11122325760.

The previous prime is 22253422531. The next prime is 22253422567. The reversal of 22253422544 is 44522435222.

It can be written as a sum of positive squares in 2 ways, for example, as 12769000000 + 9484422544 = 113000^2 + 97388^2 .

It is a congruent number.

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, 232037 + ... + 313604.

It is an arithmetic number, because the mean of its divisors is an integer number (2156650005).

Almost surely, 2^22253422544 is an apocalyptic number.

It is an amenable number.

22253422544 is a deficient number, since it is larger than the sum of its proper divisors (20879577556).

22253422544 is a wasteful number, since it uses less digits than its factorization.

22253422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548198 (or 548192 counting only the distinct ones).

The product of its digits is 153600, while the sum is 35.

Adding to 22253422544 its reverse (44522435222), we get a palindrome (66775857766).

The spelling of 22253422544 in words is "twenty-two billion, two hundred fifty-three million, four hundred twenty-two thousand, five hundred forty-four".