1405224401 has 12 divisors (see below), whose sum is σ = 1720684080. Its totient is φ = 1141083720.

The previous prime is 1405224347. The next prime is 1405224407. The reversal of 1405224401 is 1044225041.

It is a de Polignac number, because none of the positive numbers 2^k-1405224401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405224407) 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 11 ways as a sum of consecutive naturals, for example, 753755 + ... + 755616.

It is an arithmetic number, because the mean of its divisors is an integer number (143390340).

Almost surely, 2^1405224401 is an apocalyptic number.

It is an amenable number.

1405224401 is a deficient number, since it is larger than the sum of its proper divisors (315459679).

1405224401 is a wasteful number, since it uses less digits than its factorization.

1405224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509404 (or 1509397 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1405224401 is about 37486.3228524751. The cubic root of 1405224401 is about 1120.0787574825.

Adding to 1405224401 its reverse (1044225041), we get a palindrome (2449449442).

The spelling of 1405224401 in words is "one billion, four hundred five million, two hundred twenty-four thousand, four hundred one".