4220047729 has 8 divisors (see below), whose sum is σ = 4341710240. Its totient is φ = 4100111136.

The previous prime is 4220047693. The next prime is 4220047807. The reversal of 4220047729 is 9277400224.

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

It is a cyclic number.

It is not a de Polignac number, because 4220047729 - 2¹⁵ = 4220014961 is a prime.

It is a super-3 number, since 3×4220047729³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220047829) 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 7 ways as a sum of consecutive naturals, for example, 426519 + ... + 436300.

It is an arithmetic number, because the mean of its divisors is an integer number (542713780).

Almost surely, 2^4220047729 is an apocalyptic number.

It is an amenable number.

4220047729 is a deficient number, since it is larger than the sum of its proper divisors (121662511).

4220047729 is an equidigital number, since it uses as much as digits as its factorization.

4220047729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862959.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 4220047729 is about 64961.8944382012. The cubic root of 4220047729 is about 1615.9916818644.

The spelling of 4220047729 in words is "four billion, two hundred twenty million, forty-seven thousand, seven hundred twenty-nine".