2210125730 has 8 divisors (see below), whose sum is σ = 3978226332. Its totient is φ = 884050288.

The previous prime is 2210125703. The next prime is 2210125763. The reversal of 2210125730 is 375210122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2059253641 + 150872089 = 45379^2 + 12283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2210125696 and 2210125705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110506277 + ... + 110506296.

Almost surely, 2^2210125730 is an apocalyptic number.

2210125730 is a deficient number, since it is larger than the sum of its proper divisors (1768100602).

2210125730 is a wasteful number, since it uses less digits than its factorization.

2210125730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221012580.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2210125730 is about 47011.9743256971. The cubic root of 2210125730 is about 1302.5837627248.

Adding to 2210125730 its reverse (375210122), we get a palindrome (2585335852).

The spelling of 2210125730 in words is "two billion, two hundred ten million, one hundred twenty-five thousand, seven hundred thirty".