434221001 has 4 divisors (see below), whose sum is σ = 437640192. Its totient is φ = 430801812.

The previous prime is 434220977. The next prime is 434221049. The reversal of 434221001 is 100122434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100122434 = 2 ⋅50061217.

It is a cyclic number.

It is not a de Polignac number, because 434221001 - 2¹⁸ = 433958857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434221091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709405 + ... + 1709658.

It is an arithmetic number, because the mean of its divisors is an integer number (109410048).

Almost surely, 2^434221001 is an apocalyptic number.

It is an amenable number.

434221001 is a deficient number, since it is larger than the sum of its proper divisors (3419191).

434221001 is a wasteful number, since it uses less digits than its factorization.

434221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419190.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 434221001 is about 20837.9701746595. The cubic root of 434221001 is about 757.2459188446.

Adding to 434221001 its reverse (100122434), we get a palindrome (534343435).

The spelling of 434221001 in words is "four hundred thirty-four million, two hundred twenty-one thousand, one".