204442440422 has 16 divisors (see below), whose sum is σ = 334549412352. Its totient is φ = 92926371720.

The previous prime is 204442440409. The next prime is 204442440427. The reversal of 204442440422 is 224044244402.

It is a super-2 number, since 2×204442440422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204442440427) 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, 1520543 + ... + 1649525.

It is an arithmetic number, because the mean of its divisors is an integer number (20909338272).

Almost surely, 2^204442440422 is an apocalyptic number.

204442440422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204442440422 is a deficient number, since it is larger than the sum of its proper divisors (130106971930).

204442440422 is a wasteful number, since it uses less digits than its factorization.

204442440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201043.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 204442440422 its reverse (224044244402), we get a palindrome (428486684824).

The spelling of 204442440422 in words is "two hundred four billion, four hundred forty-two million, four hundred forty thousand, four hundred twenty-two".