22005234450 has 36 divisors (see below), whose sum is σ = 59120731098. Its totient is φ = 5868062400.

The previous prime is 22005234437. The next prime is 22005234473. The reversal of 22005234450 is 5443250022.

It is a happy number.

22005234450 is a `hidden beast` number, since 2 + 200 + 5 + 2 + 3 + 4 + 450 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 20833746921 + 1171487529 = 144339^2 + 34227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24449811 + ... + 24450710.

Almost surely, 2^22005234450 is an apocalyptic number.

22005234450 is an abundant number, since it is smaller than the sum of its proper divisors (37115496648).

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

22005234450 is a wasteful number, since it uses less digits than its factorization.

22005234450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48900539 (or 48900531 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 22005234450 its reverse (5443250022), we get a palindrome (27448484472).

The spelling of 22005234450 in words is "twenty-two billion, five million, two hundred thirty-four thousand, four hundred fifty".