22448889156 has 12 divisors (see below), whose sum is σ = 52380741392. Its totient is φ = 7482963048.

The previous prime is 22448889109. The next prime is 22448889163. The reversal of 22448889156 is 65198884422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22448889096 and 22448889105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935370370 + ... + 935370393.

Almost surely, 2^22448889156 is an apocalyptic number.

It is an amenable number.

22448889156 is an abundant number, since it is smaller than the sum of its proper divisors (29931852236).

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

22448889156 is a wasteful number, since it uses less digits than its factorization.

22448889156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870740770 (or 1870740768 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The spelling of 22448889156 in words is "twenty-two billion, four hundred forty-eight million, eight hundred eighty-nine thousand, one hundred fifty-six".