13872572224 has 56 divisors (see below), whose sum is σ = 31517466048. Its totient is φ = 5934720000.

The previous prime is 13872572183. The next prime is 13872572227. The reversal of 13872572224 is 42227527831.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×13872572224² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872572227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224724 + ... + 279724.

Almost surely, 2^13872572224 is an apocalyptic number.

13872572224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13872572224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758733024).

13872572224 is an abundant number, since it is smaller than the sum of its proper divisors (17644893824).

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

13872572224 is an equidigital number, since it uses as much as digits as its factorization.

13872572224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55583 (or 55573 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The spelling of 13872572224 in words is "thirteen billion, eight hundred seventy-two million, five hundred seventy-two thousand, two hundred twenty-four".