204542251222 has 16 divisors (see below), whose sum is σ = 309364239600. Its totient is φ = 101424345088.

The previous prime is 204542251213. The next prime is 204542251229. The reversal of 204542251222 is 222152245402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204542251229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759847 + ... + 993202.

It is an arithmetic number, because the mean of its divisors is an integer number (19335264975).

Almost surely, 2^204542251222 is an apocalyptic number.

204542251222 is a deficient number, since it is larger than the sum of its proper divisors (104821988378).

204542251222 is a wasteful number, since it uses less digits than its factorization.

204542251222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753535.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 204542251222 its reverse (222152245402), we get a palindrome (426694496624).

The spelling of 204542251222 in words is "two hundred four billion, five hundred forty-two million, two hundred fifty-one thousand, two hundred twenty-two".