24221236887252 has 72 divisors (see below), whose sum is σ = 63825957791232. Its totient is φ = 8031474648000.

The previous prime is 24221236887251. The next prime is 24221236887257. The reversal of 24221236887252 is 25278863212242.

24221236887252 is a `hidden beast` number, since 2 + 4 + 2 + 21 + 2 + 368 + 8 + 7 + 252 = 666.

It is a super-2 number, since 2×24221236887252² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24221236887251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65047249 + ... + 65418552.

Almost surely, 2^{24221236887252} is an apocalyptic number.

It is an amenable number.

24221236887252 is an abundant number, since it is smaller than the sum of its proper divisors (39604720903980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24221236887252 is a wasteful number, since it uses less digits than its factorization.

24221236887252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130466011 (or 130465997 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 24221236887252 in words is "twenty-four trillion, two hundred twenty-one billion, two hundred thirty-six million, eight hundred eighty-seven thousand, two hundred fifty-two".