4220320551 has 8 divisors (see below), whose sum is σ = 5664860400. Its totient is φ = 2794663872.

The previous prime is 4220320549. The next prime is 4220320579. The reversal of 4220320551 is 1550230224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4220320551 - 2¹ = 4220320549 is a prime.

It is a super-2 number, since 2×4220320551² = 35622211106385887202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220320051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720270 + ... + 4721163.

It is an arithmetic number, because the mean of its divisors is an integer number (708107550).

Almost surely, 2^4220320551 is an apocalyptic number.

4220320551 is a deficient number, since it is larger than the sum of its proper divisors (1444539849).

4220320551 is a wasteful number, since it uses less digits than its factorization.

4220320551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441585.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4220320551 is about 64963.9942660548. The cubic root of 4220320551 is about 1616.0265052132.

Adding to 4220320551 its reverse (1550230224), we get a palindrome (5770550775).

The spelling of 4220320551 in words is "four billion, two hundred twenty million, three hundred twenty thousand, five hundred fifty-one".