2214720730 has 16 divisors (see below), whose sum is σ = 4220997480. Its totient is φ = 833777152.

The previous prime is 2214720727. The next prime is 2214720737. The reversal of 2214720730 is 370274122.

It can be written as a sum of positive squares in 4 ways, for example, as 1576804681 + 637916049 = 39709^2 + 25257^2 .

It is not an unprimeable number, because it can be changed into a prime (2214720737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6513715 + ... + 6514054.

Almost surely, 2^2214720730 is an apocalyptic number.

2214720730 is a deficient number, since it is larger than the sum of its proper divisors (2006276750).

2214720730 is a wasteful number, since it uses less digits than its factorization.

2214720730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027793.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2214720730 is about 47060.8194786279. The cubic root of 2214720730 is about 1303.4858575839.

Adding to 2214720730 its reverse (370274122), we get a palindrome (2584994852).

The spelling of 2214720730 in words is "two billion, two hundred fourteen million, seven hundred twenty thousand, seven hundred thirty".