1224410421 has 48 divisors (see below), whose sum is σ = 1856050560. Its totient is φ = 712871040.

The previous prime is 1224410393. The next prime is 1224410437. The reversal of 1224410421 is 1240144221.

It is not a de Polignac number, because 1224410421 - 2⁹ = 1224409909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224410471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3936856 + ... + 3937166.

It is an arithmetic number, because the mean of its divisors is an integer number (38667720).

Almost surely, 2^1224410421 is an apocalyptic number.

It is an amenable number.

1224410421 is a deficient number, since it is larger than the sum of its proper divisors (631640139).

1224410421 is a wasteful number, since it uses less digits than its factorization.

1224410421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1224410421 is about 34991.5764291922. The cubic root of 1224410421 is about 1069.8157952912.

Adding to 1224410421 its reverse (1240144221), we get a palindrome (2464554642).

The spelling of 1224410421 in words is "one billion, two hundred twenty-four million, four hundred ten thousand, four hundred twenty-one".