204224202242 has 4 divisors (see below), whose sum is σ = 306336303366. Its totient is φ = 102112101120.

The previous prime is 204224202241. The next prime is 204224202269. The reversal of 204224202242 is 242202422402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242202422402 = 2 ⋅121101211201.

It can be written as a sum of positive squares in only one way, i.e., 194180354281 + 10043847961 = 440659^2 + 100219^2 .

It is not an unprimeable number, because it can be changed into a prime (204224202241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056050559 + ... + 51056050562.

Almost surely, 2^204224202242 is an apocalyptic number.

204224202242 is a deficient number, since it is larger than the sum of its proper divisors (102112101124).

204224202242 is a wasteful number, since it uses less digits than its factorization.

204224202242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102112101123.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204224202242 its reverse (242202422402), we get a palindrome (446426624644).

The spelling of 204224202242 in words is "two hundred four billion, two hundred twenty-four million, two hundred two thousand, two hundred forty-two".