204012422 has 4 divisors (see below), whose sum is σ = 306018636. Its totient is φ = 102006210.

The previous prime is 204012421. The next prime is 204012449. The reversal of 204012422 is 224210402.

It is a happy number.

204012422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204012422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204012421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51003104 + ... + 51003107.

It is an arithmetic number, because the mean of its divisors is an integer number (76504659).

Almost surely, 2^204012422 is an apocalyptic number.

204012422 is a deficient number, since it is larger than the sum of its proper divisors (102006214).

204012422 is a wasteful number, since it uses less digits than its factorization.

204012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102006213.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204012422 is about 14283.2917074462. The cubic root of 204012422 is about 588.6884800404.

Adding to 204012422 its reverse (224210402), we get a palindrome (428222824).

The spelling of 204012422 in words is "two hundred four million, twelve thousand, four hundred twenty-two".