4222535720 has 64 divisors (see below), whose sum is σ = 10584378000. Its totient is φ = 1505323008.

The previous prime is 4222535711. The next prime is 4222535729. The reversal of 4222535720 is 275352224.

It is an interprime number because it is at equal distance from previous prime (4222535711) and next prime (4222535729).

It can be written as a sum of positive squares in 8 ways, for example, as 2416115716 + 1806420004 = 49154^2 + 42502^2 .

It is not an unprimeable number, because it can be changed into a prime (4222535729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124925 + ... + 155084.

Almost surely, 2^4222535720 is an apocalyptic number.

4222535720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4222535720 is an abundant number, since it is smaller than the sum of its proper divisors (6361842280).

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

4222535720 is a wasteful number, since it uses less digits than its factorization.

4222535720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280062 (or 280058 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 4222535720 is about 64981.0412351172. The cubic root of 4222535720 is about 1616.3091966690.

Adding to 4222535720 its reverse (275352224), we get a palindrome (4497887944).

The spelling of 4222535720 in words is "four billion, two hundred twenty-two million, five hundred thirty-five thousand, seven hundred twenty".