2172192000 has 576 divisors, whose sum is σ = 8402704128. Its totient is φ = 495616000.

The previous prime is 2172191969. The next prime is 2172192007. The reversal of 2172192000 is 2912712.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172192007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127775992 + ... + 127776008.

It is an arithmetic number, because the mean of its divisors is an integer number (14588028).

Almost surely, 2^2172192000 is an apocalyptic number.

2172192000 is a gapful number since it is divisible by the number (20) 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 2172192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201352064).

2172192000 is an abundant number, since it is smaller than the sum of its proper divisors (6230512128).

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

2172192000 is an equidigital number, since it uses as much as digits as its factorization.

2172192000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2172192000 is about 46606.7806225661. The cubic root of 2172192000 is about 1295.0883697143.

The spelling of 2172192000 in words is "two billion, one hundred seventy-two million, one hundred ninety-two thousand".