204440022 has 48 divisors (see below), whose sum is σ = 466083072. Its totient is φ = 64679040.

The previous prime is 204440021. The next prime is 204440023. The reversal of 204440022 is 220044402.

204440022 is a `hidden beast` number, since 204 + 440 + 0 + 22 = 666.

204440022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204440021) and next prime (204440023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204439977 and 204440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204440021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23563 + ... + 31049.

It is an arithmetic number, because the mean of its divisors is an integer number (9710064).

Almost surely, 2^204440022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233041536).

204440022 is an abundant number, since it is smaller than the sum of its proper divisors (261643050).

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

204440022 is a wasteful number, since it uses less digits than its factorization.

204440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 204440022 is about 14298.2524106969. The cubic root of 204440022 is about 589.0994803929.

Adding to 204440022 its reverse (220044402), we get a palindrome (424484424).

The spelling of 204440022 in words is "two hundred four million, four hundred forty thousand, twenty-two".