321440422022202 has 48 divisors (see below), whose sum is σ = 763752492132480. Its totient is φ = 89886075455232.

The previous prime is 321440422022141. The next prime is 321440422022267. The reversal of 321440422022202 is 202220224044123.

It is a happy number.

It is a super-2 number, since 2×321440422022202² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321440422022202.

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 23 ways as a sum of consecutive naturals, for example, 11631207127 + ... + 11631234762.

It is an arithmetic number, because the mean of its divisors is an integer number (15911510252760).

Almost surely, 2^{321440422022202} is an apocalyptic number.

321440422022202 is an abundant number, since it is smaller than the sum of its proper divisors (442312070110278).

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

321440422022202 is a wasteful number, since it uses less digits than its factorization.

321440422022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262441955 (or 23262441948 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 321440422022202 its reverse (202220224044123), we get a palindrome (523660646066325).

The spelling of 321440422022202 in words is "three hundred twenty-one trillion, four hundred forty billion, four hundred twenty-two million, twenty-two thousand, two hundred two".