221202002202 has 16 divisors (see below), whose sum is σ = 449902378080. Its totient is φ = 72484271792.

The previous prime is 221202002183. The next prime is 221202002233. The reversal of 221202002202 is 202200202122.

It is a super-2 number, since 2×221202002202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312431853 + ... + 312432560.

It is an arithmetic number, because the mean of its divisors is an integer number (28118898630).

Almost surely, 2^221202002202 is an apocalyptic number.

221202002202 is an abundant number, since it is smaller than the sum of its proper divisors (228700375878).

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

221202002202 is a wasteful number, since it uses less digits than its factorization.

221202002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624864477.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221202002202 its reverse (202200202122), we get a palindrome (423402204324).

The spelling of 221202002202 in words is "two hundred twenty-one billion, two hundred two million, two thousand, two hundred two".