321224231224022 has 16 divisors (see below), whose sum is σ = 550702414129920. Its totient is φ = 137659451802408.

The previous prime is 321224231223967. The next prime is 321224231224109. The reversal of 321224231224022 is 220422132422123.

It is a self number, because there is not a number n which added to its sum of digits gives 321224231224022.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 672741572 + ... + 673218887.

It is an arithmetic number, because the mean of its divisors is an integer number (34418900883120).

Almost surely, 2^{321224231224022} is an apocalyptic number.

321224231224022 is a deficient number, since it is larger than the sum of its proper divisors (229478182905898).

321224231224022 is a wasteful number, since it uses less digits than its factorization.

321224231224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345977515.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321224231224022 its reverse (220422132422123), we get a palindrome (541646363646145).

The spelling of 321224231224022 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred thirty-one million, two hundred twenty-four thousand, twenty-two".