1434330221 has 4 divisors (see below), whose sum is σ = 1451611392. Its totient is φ = 1417049052.

The previous prime is 1434330211. The next prime is 1434330223. The reversal of 1434330221 is 1220334341.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434330221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434330223) 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, 8640461 + ... + 8640626.

It is an arithmetic number, because the mean of its divisors is an integer number (362902848).

Almost surely, 2^1434330221 is an apocalyptic number.

It is an amenable number.

1434330221 is a deficient number, since it is larger than the sum of its proper divisors (17281171).

1434330221 is an equidigital number, since it uses as much as digits as its factorization.

1434330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17281170.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1434330221 is about 37872.5523433528. The cubic root of 1434330221 is about 1127.7592112686.

Adding to 1434330221 its reverse (1220334341), we get a palindrome (2654664562).

The spelling of 1434330221 in words is "one billion, four hundred thirty-four million, three hundred thirty thousand, two hundred twenty-one".