24225037421 has 16 divisors (see below), whose sum is σ = 26601714048. Its totient is φ = 21924043200.

The previous prime is 24225037399. The next prime is 24225037427. The reversal of 24225037421 is 12473052242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24225037421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24225037427) 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, 197510 + ... + 295736.

It is an arithmetic number, because the mean of its divisors is an integer number (1662607128).

Almost surely, 2^24225037421 is an apocalyptic number.

It is an amenable number.

24225037421 is a deficient number, since it is larger than the sum of its proper divisors (2376676627).

24225037421 is a wasteful number, since it uses less digits than its factorization.

24225037421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98612.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 24225037421 its reverse (12473052242), we get a palindrome (36698089663).

The spelling of 24225037421 in words is "twenty-four billion, two hundred twenty-five million, thirty-seven thousand, four hundred twenty-one".