22628090448 has 160 divisors (see below), whose sum is σ = 68858985600. Its totient is φ = 7089997824.

The previous prime is 22628090447. The next prime is 22628090461. The reversal of 22628090448 is 84409082622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628090447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8025583 + ... + 8028401.

It is an arithmetic number, because the mean of its divisors is an integer number (430368660).

Almost surely, 2^22628090448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22628090448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34429492800).

22628090448 is an abundant number, since it is smaller than the sum of its proper divisors (46230895152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22628090448 is a wasteful number, since it uses less digits than its factorization.

22628090448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 22628090448 in words is "twenty-two billion, six hundred twenty-eight million, ninety thousand, four hundred forty-eight".