7017222420 has 144 divisors (see below), whose sum is σ = 23542755600. Its totient is φ = 1680611328.

The previous prime is 7017222389. The next prime is 7017222427. The reversal of 7017222420 is 242227107.

7017222420 is a `hidden beast` number, since 7 + 0 + 17 + 222 + 420 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 478559376 + 6538663044 = 21876^2 + 80862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7017222427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46056 + ... + 127104.

Almost surely, 2^7017222420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7017222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11771377800).

7017222420 is an abundant number, since it is smaller than the sum of its proper divisors (16525533180).

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

7017222420 is a wasteful number, since it uses less digits than its factorization.

7017222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81114 (or 81109 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 7017222420 is about 83768.8630697588. The cubic root of 7017222420 is about 1914.4987219241.

Adding to 7017222420 its reverse (242227107), we get a palindrome (7259449527).

The spelling of 7017222420 in words is "seven billion, seventeen million, two hundred twenty-two thousand, four hundred twenty".