204274222452 has 36 divisors (see below), whose sum is σ = 516374949636. Its totient is φ = 68089415040.

The previous prime is 204274222403. The next prime is 204274222543. The reversal of 204274222452 is 254222472402.

204274222452 is a `hidden beast` number, since 2 + 0 + 427 + 4 + 2 + 224 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120745130256 + 83529092196 = 347484^2 + 289014^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 1673398 + ... + 1791314.

It is an arithmetic number, because the mean of its divisors is an integer number (14343748601).

Almost surely, 2^204274222452 is an apocalyptic number.

It is an amenable number.

204274222452 is an abundant number, since it is smaller than the sum of its proper divisors (312100727184).

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

204274222452 is a wasteful number, since it uses less digits than its factorization.

204274222452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166048 (or 166043 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

Adding to 204274222452 its reverse (254222472402), we get a palindrome (458496694854).

The spelling of 204274222452 in words is "two hundred four billion, two hundred seventy-four million, two hundred twenty-two thousand, four hundred fifty-two".