22444215304452 has 48 divisors (see below), whose sum is σ = 55142410948800. Its totient is φ = 7085555326080.

The previous prime is 22444215304447. The next prime is 22444215304453. The reversal of 22444215304452 is 25440351244422.

It is not an unprimeable number, because it can be changed into a prime (22444215304453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13750699 + ... + 15296082.

It is an arithmetic number, because the mean of its divisors is an integer number (1148800228100).

Almost surely, 2^{22444215304452} is an apocalyptic number.

It is an amenable number.

22444215304452 is an abundant number, since it is smaller than the sum of its proper divisors (32698195644348).

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

22444215304452 is a wasteful number, since it uses less digits than its factorization.

22444215304452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29050196 (or 29050194 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 22444215304452 its reverse (25440351244422), we get a palindrome (47884566548874).

The spelling of 22444215304452 in words is "twenty-two trillion, four hundred forty-four billion, two hundred fifteen million, three hundred four thousand, four hundred fifty-two".