22265229448 has 128 divisors (see below), whose sum is σ = 53827338240. Its totient is φ = 8379360000.

The previous prime is 22265229403. The next prime is 22265229487. The reversal of 22265229448 is 84492256222.

It is a junction number, because it is equal to n+sod(n) for n = 22265229398 and 22265229407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19343673 + ... + 19344823.

It is an arithmetic number, because the mean of its divisors is an integer number (420526080).

Almost surely, 2^22265229448 is an apocalyptic number.

22265229448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22265229448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26913669120).

22265229448 is an abundant number, since it is smaller than the sum of its proper divisors (31562108792).

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

22265229448 is a wasteful number, since it uses less digits than its factorization.

22265229448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2215 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The spelling of 22265229448 in words is "twenty-two billion, two hundred sixty-five million, two hundred twenty-nine thousand, four hundred forty-eight".