221302343202 has 16 divisors (see below), whose sum is σ = 443030689920. Its totient is φ = 73696447152.

The previous prime is 221302343159. The next prime is 221302343219. The reversal of 221302343202 is 202343203122.

It is a super-2 number, since 2×221302343202² (a number of 23 digits) contains 22 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 7 ways as a sum of consecutive naturals, for example, 17743393 + ... + 17755860.

It is an arithmetic number, because the mean of its divisors is an integer number (27689418120).

Almost surely, 2^221302343202 is an apocalyptic number.

221302343202 is an abundant number, since it is smaller than the sum of its proper divisors (221728346718).

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

221302343202 is a wasteful number, since it uses less digits than its factorization.

221302343202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500297.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 221302343202 its reverse (202343203122), we get a palindrome (423645546324).

The spelling of 221302343202 in words is "two hundred twenty-one billion, three hundred two million, three hundred forty-three thousand, two hundred two".