2230685730 has 320 divisors, whose sum is σ = 7534695168. Its totient is φ = 460961280.

The previous prime is 2230685689. The next prime is 2230685749. The reversal of 2230685730 is 375860322.

2230685730 is a `hidden beast` number, since 2 + 23 + 0 + 68 + 573 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3906345 + ... + 3906915.

Almost surely, 2^2230685730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2230685730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3767347584).

2230685730 is an abundant number, since it is smaller than the sum of its proper divisors (5304009438).

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

2230685730 is a wasteful number, since it uses less digits than its factorization.

2230685730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2230685730 is about 47230.1358244924. The cubic root of 2230685730 is about 1306.6104572719.

The spelling of 2230685730 in words is "two billion, two hundred thirty million, six hundred eighty-five thousand, seven hundred thirty".