222021324402 has 128 divisors (see below), whose sum is σ = 508289126400. Its totient is φ = 64288551936.

The previous prime is 222021324367. The next prime is 222021324457. The reversal of 222021324402 is 204423120222.

It is a super-3 number, since 3×222021324402³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5959549 + ... + 5996687.

It is an arithmetic number, because the mean of its divisors is an integer number (3971008800).

Almost surely, 2^222021324402 is an apocalyptic number.

222021324402 is an abundant number, since it is smaller than the sum of its proper divisors (286267801998).

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

222021324402 is a wasteful number, since it uses less digits than its factorization.

222021324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37280.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 222021324402 its reverse (204423120222), we get a palindrome (426444444624).

The spelling of 222021324402 in words is "two hundred twenty-two billion, twenty-one million, three hundred twenty-four thousand, four hundred two".