22444213450432 has 28 divisors (see below), whose sum is σ = 46881827440120. Its totient is φ = 10631469528576.

The previous prime is 22444213450423. The next prime is 22444213450517. The reversal of 22444213450432 is 23405431244422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9228704973 + ... + 9228707404.

Almost surely, 2^{22444213450432} is an apocalyptic number.

It is an amenable number.

22444213450432 is an abundant number, since it is smaller than the sum of its proper divisors (24437613989688).

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

22444213450432 is a wasteful number, since it uses less digits than its factorization.

22444213450432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18457412408 (or 18457412398 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 22444213450432 its reverse (23405431244422), we get a palindrome (45849644694854).

The spelling of 22444213450432 in words is "twenty-two trillion, four hundred forty-four billion, two hundred thirteen million, four hundred fifty thousand, four hundred thirty-two".