434221000 has 32 divisors (see below), whose sum is σ = 1016079480. Its totient is φ = 173688000.

The previous prime is 434220977. The next prime is 434221049. The reversal of 434221000 is 122434.

It can be written as a sum of positive squares in 4 ways, for example, as 21399876 + 412821124 = 4626^2 + 20318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216111 + ... + 218110.

Almost surely, 2^434221000 is an apocalyptic number.

434221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434221000 is an abundant number, since it is smaller than the sum of its proper divisors (581858480).

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

434221000 is a wasteful number, since it uses less digits than its factorization.

434221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434242 (or 434228 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 434221000 is about 20837.9701506649. The cubic root of 434221000 is about 757.2459182633.

Adding to 434221000 its reverse (122434), we get a palindrome (434343434).

The spelling of 434221000 in words is "four hundred thirty-four million, two hundred twenty-one thousand".