22148810450 has 54 divisors (see below), whose sum is σ = 44637109839. Its totient is φ = 8172971040.

The previous prime is 22148810443. The next prime is 22148810461. The reversal of 22148810450 is 5401884122.

It can be written as a sum of positive squares in 5 ways, for example, as 1386594169 + 20762216281 = 37237^2 + 144091^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105235.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22148810450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13679741 + ... + 13681359.

Almost surely, 2^22148810450 is an apocalyptic number.

22148810450 is an abundant number, since it is smaller than the sum of its proper divisors (22488299389).

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

22148810450 is an equidigital number, since it uses as much as digits as its factorization.

22148810450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 22148810450 in words is "twenty-two billion, one hundred forty-eight million, eight hundred ten thousand, four hundred fifty".