2175250000 has 280 divisors, whose sum is σ = 6626165184. Its totient is φ = 672000000.

The previous prime is 2175249997. The next prime is 2175250013. The reversal of 2175250000 is 525712.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 19249944 + ... + 19250056.

Almost surely, 2^2175250000 is an apocalyptic number.

2175250000 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 2175250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313082592).

2175250000 is an abundant number, since it is smaller than the sum of its proper divisors (4450915184).

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

2175250000 is an equidigital number, since it uses as much as digits as its factorization.

2175250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2175250000 is about 46639.5754697660. The cubic root of 2175250000 is about 1295.6958241842.

Adding to 2175250000 its reverse (525712), we get a palindrome (2175775712).

The spelling of 2175250000 in words is "two billion, one hundred seventy-five million, two hundred fifty thousand".