204422001 has 8 divisors (see below), whose sum is σ = 311500224. Its totient is φ = 116812560.

The previous prime is 204421939. The next prime is 204422011. The reversal of 204422001 is 100224402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204422001 - 2⁷ = 204421873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204422011) 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, 4867170 + ... + 4867211.

It is an arithmetic number, because the mean of its divisors is an integer number (38937528).

Almost surely, 2^204422001 is an apocalyptic number.

204422001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204422001 is a deficient number, since it is larger than the sum of its proper divisors (107078223).

204422001 is an equidigital number, since it uses as much as digits as its factorization.

204422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734391.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204422001 is about 14297.6222148999. The cubic root of 204422001 is about 589.0821705505.

Adding to 204422001 its reverse (100224402), we get a palindrome (304646403).

The spelling of 204422001 in words is "two hundred four million, four hundred twenty-two thousand, one".