1224214405 has 32 divisors (see below), whose sum is σ = 1538901504. Its totient is φ = 934142976.

The previous prime is 1224214391. The next prime is 1224214417. The reversal of 1224214405 is 5044124221.

It is a cyclic number.

It is not a de Polignac number, because 1224214405 - 2²⁵ = 1190659973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224214405.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2827069 + ... + 2827501.

It is an arithmetic number, because the mean of its divisors is an integer number (48090672).

Almost surely, 2^1224214405 is an apocalyptic number.

It is an amenable number.

1224214405 is a deficient number, since it is larger than the sum of its proper divisors (314687099).

1224214405 is a wasteful number, since it uses less digits than its factorization.

1224214405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1224214405 is about 34988.7754144097. The cubic root of 1224214405 is about 1069.7587032680.

Adding to 1224214405 its reverse (5044124221), we get a palindrome (6268338626).

The spelling of 1224214405 in words is "one billion, two hundred twenty-four million, two hundred fourteen thousand, four hundred five".