1494430221 has 16 divisors (see below), whose sum is σ = 2098293120. Its totient is φ = 944222400.

The previous prime is 1494430163. The next prime is 1494430229. The reversal of 1494430221 is 1220344941.

It is not a de Polignac number, because 1494430221 - 2³⁰ = 420688397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494430229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91830 + ... + 106871.

It is an arithmetic number, because the mean of its divisors is an integer number (131143320).

Almost surely, 2^1494430221 is an apocalyptic number.

It is an amenable number.

1494430221 is a deficient number, since it is larger than the sum of its proper divisors (603862899).

1494430221 is a wasteful number, since it uses less digits than its factorization.

1494430221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198836.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1494430221 is about 38657.8610505030. The cubic root of 1494430221 is about 1143.2956396231.

The spelling of 1494430221 in words is "one billion, four hundred ninety-four million, four hundred thirty thousand, two hundred twenty-one".