2189075250 has 32 divisors (see below), whose sum is σ = 5463933696. Its totient is φ = 583753200.

The previous prime is 2189075249. The next prime is 2189075267. The reversal of 2189075250 is 525709812.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2189075199 and 2189075208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458634 + ... + 1460133.

It is an arithmetic number, because the mean of its divisors is an integer number (170747928).

Almost surely, 2^2189075250 is an apocalyptic number.

2189075250 is an abundant number, since it is smaller than the sum of its proper divisors (3274858446).

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

2189075250 is a wasteful number, since it uses less digits than its factorization.

2189075250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918787 (or 2918777 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 2189075250 is about 46787.5544349136. The cubic root of 2189075250 is about 1298.4350497955.

The spelling of 2189075250 in words is "two billion, one hundred eighty-nine million, seventy-five thousand, two hundred fifty".