21224534160322 has 32 divisors (see below), whose sum is σ = 32015519936064. Its totient is φ = 10552815072000.

The previous prime is 21224534160317. The next prime is 21224534160331. The reversal of 21224534160322 is 22306143542212.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1407174993 + ... + 1407190075.

It is an arithmetic number, because the mean of its divisors is an integer number (1000484998002).

Almost surely, 2^{21224534160322} is an apocalyptic number.

21224534160322 is a deficient number, since it is larger than the sum of its proper divisors (10790985775742).

21224534160322 is a wasteful number, since it uses less digits than its factorization.

21224534160322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18834.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 21224534160322 in words is "twenty-one trillion, two hundred twenty-four billion, five hundred thirty-four million, one hundred sixty thousand, three hundred twenty-two".