24132022421 has 4 divisors (see below), whose sum is σ = 25988331852. Its totient is φ = 22275712992.

The previous prime is 24132022399. The next prime is 24132022429. The reversal of 24132022421 is 12422023142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11742106321 + 12389916100 = 108361^2 + 111310^2 .

It is a de Polignac number, because none of the positive numbers 2^k-24132022421 is a prime.

It is a super-2 number, since 2×24132022421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24132022429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928154696 + ... + 928154721.

It is an arithmetic number, because the mean of its divisors is an integer number (6497082963).

Almost surely, 2^24132022421 is an apocalyptic number.

It is an amenable number.

24132022421 is a deficient number, since it is larger than the sum of its proper divisors (1856309431).

24132022421 is a wasteful number, since it uses less digits than its factorization.

24132022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856309430.

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

Adding to 24132022421 its reverse (12422023142), we get a palindrome (36554045563).

The spelling of 24132022421 in words is "twenty-four billion, one hundred thirty-two million, twenty-two thousand, four hundred twenty-one".