1403224421 has 16 divisors (see below), whose sum is σ = 1544832000. Its totient is φ = 1268644608.

The previous prime is 1403224391. The next prime is 1403224439. The reversal of 1403224421 is 1244223041.

It is a cyclic number.

It is not a de Polignac number, because 1403224421 - 2⁶ = 1403224357 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 (1403223421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90956 + ... + 105258.

It is an arithmetic number, because the mean of its divisors is an integer number (96552000).

Almost surely, 2^1403224421 is an apocalyptic number.

It is an amenable number.

1403224421 is a deficient number, since it is larger than the sum of its proper divisors (141607579).

1403224421 is a wasteful number, since it uses less digits than its factorization.

1403224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14548.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1403224421 is about 37459.6372246182. The cubic root of 1403224421 is about 1119.5471226520.

Adding to 1403224421 its reverse (1244223041), we get a palindrome (2647447462).

The spelling of 1403224421 in words is "one billion, four hundred three million, two hundred twenty-four thousand, four hundred twenty-one".