4220012730 has 32 divisors (see below), whose sum is σ = 10154502144. Its totient is φ = 1122395456.

The previous prime is 4220012707. The next prime is 4220012737. The reversal of 4220012730 is 372100224.

4220012730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4220012697 and 4220012706.

It is not an unprimeable number, because it can be changed into a prime (4220012737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172149 + ... + 195128.

It is an arithmetic number, because the mean of its divisors is an integer number (317328192).

Almost surely, 2^4220012730 is an apocalyptic number.

4220012730 is an abundant number, since it is smaller than the sum of its proper divisors (5934489414).

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

4220012730 is a wasteful number, since it uses less digits than its factorization.

4220012730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367670.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4220012730 is about 64961.6250566440. The cubic root of 4220012730 is about 1615.9872144387.

Adding to 4220012730 its reverse (372100224), we get a palindrome (4592112954).

The spelling of 4220012730 in words is "four billion, two hundred twenty million, twelve thousand, seven hundred thirty".