1434233221 has 4 divisors (see below), whose sum is σ = 1509719200. Its totient is φ = 1358747244.

The previous prime is 1434233209. The next prime is 1434233233. The reversal of 1434233221 is 1223324341.

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: 1223324341 = 16111 ⋅75931.

It is an interprime number because it is at equal distance from previous prime (1434233209) and next prime (1434233233).

It is a cyclic number.

It is not a de Polignac number, because 1434233221 - 2⁷ = 1434233093 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 (1434233201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37742961 + ... + 37742998.

It is an arithmetic number, because the mean of its divisors is an integer number (377429800).

Almost surely, 2^1434233221 is an apocalyptic number.

It is an amenable number.

1434233221 is a deficient number, since it is larger than the sum of its proper divisors (75485979).

1434233221 is an equidigital number, since it uses as much as digits as its factorization.

1434233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75485978.

The product of its digits is 3456, while the sum is 25.

The square root of 1434233221 is about 37871.2717108892. The cubic root of 1434233221 is about 1127.7337882272.

Adding to 1434233221 its reverse (1223324341), we get a palindrome (2657557562).

The spelling of 1434233221 in words is "one billion, four hundred thirty-four million, two hundred thirty-three thousand, two hundred twenty-one".