221440334202 has 24 divisors (see below), whose sum is σ = 490945238784. Its totient is φ = 72096852744.

The previous prime is 221440334183. The next prime is 221440334279. The reversal of 221440334202 is 202433044122.

221440334202 is a `hidden beast` number, since 2 + 21 + 4 + 403 + 34 + 202 = 666.

It is a super-2 number, since 2×221440334202² (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 11 ways as a sum of consecutive naturals, for example, 143048538 + ... + 143050085.

It is an arithmetic number, because the mean of its divisors is an integer number (20456051616).

Almost surely, 2^221440334202 is an apocalyptic number.

221440334202 is an abundant number, since it is smaller than the sum of its proper divisors (269504904582).

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

221440334202 is a wasteful number, since it uses less digits than its factorization.

221440334202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286098674 (or 286098671 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 221440334202 its reverse (202433044122), we get a palindrome (423873378324).

The spelling of 221440334202 in words is "two hundred twenty-one billion, four hundred forty million, three hundred thirty-four thousand, two hundred two".