204211224442 has 16 divisors (see below), whose sum is σ = 307514592000. Its totient is φ = 101706444432.

The previous prime is 204211224431. The next prime is 204211224461. The reversal of 204211224442 is 244422112402.

It is a happy number.

It is a super-2 number, since 2×204211224442² (a number of 23 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 204211224442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349608 + ... + 7377340.

It is an arithmetic number, because the mean of its divisors is an integer number (19219662000).

Almost surely, 2^204211224442 is an apocalyptic number.

204211224442 is a deficient number, since it is larger than the sum of its proper divisors (103303367558).

204211224442 is a wasteful number, since it uses less digits than its factorization.

204211224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41997.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 204211224442 its reverse (244422112402), we get a palindrome (448633336844).

The spelling of 204211224442 in words is "two hundred four billion, two hundred eleven million, two hundred twenty-four thousand, four hundred forty-two".