1822232172 has 48 divisors (see below), whose sum is σ = 4292265600. Its totient is φ = 601668480.

The previous prime is 1822232171. The next prime is 1822232177. The reversal of 1822232172 is 2712322281.

1822232172 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1822232171) 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, 602079 + ... + 605097.

It is an arithmetic number, because the mean of its divisors is an integer number (89422200).

Almost surely, 2^1822232172 is an apocalyptic number.

1822232172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1822232172 is an abundant number, since it is smaller than the sum of its proper divisors (2470033428).

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

1822232172 is a wasteful number, since it uses less digits than its factorization.

1822232172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3484 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 1822232172 is about 42687.6114581268. The cubic root of 1822232172 is about 1221.4280893890.

The spelling of 1822232172 in words is "one billion, eight hundred twenty-two million, two hundred thirty-two thousand, one hundred seventy-two".