1872224180 has 24 divisors (see below), whose sum is σ = 3953400360. Its totient is φ = 744750720.

The previous prime is 1872224177. The next prime is 1872224191. The reversal of 1872224180 is 814222781.

1872224180 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57123364 + 1815100816 = 7558^2 + 42604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1872224180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254975 + ... + 262214.

It is an arithmetic number, because the mean of its divisors is an integer number (164725015).

Almost surely, 2^1872224180 is an apocalyptic number.

1872224180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1872224180 is an abundant number, since it is smaller than the sum of its proper divisors (2081176180).

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

1872224180 is a wasteful number, since it uses less digits than its factorization.

1872224180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517379 (or 517377 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 1872224180 is about 43269.2059090527. The cubic root of 1872224180 is about 1232.4972245589.

The spelling of 1872224180 in words is "one billion, eight hundred seventy-two million, two hundred twenty-four thousand, one hundred eighty".