4220650291 has 16 divisors (see below), whose sum is σ = 5219504640. Its totient is φ = 3355391520.

The previous prime is 4220650277. The next prime is 4220650297. The reversal of 4220650291 is 1920560224.

4220650291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4220650291 - 2¹⁹ = 4220126003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220650297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773995 + ... + 779428.

It is an arithmetic number, because the mean of its divisors is an integer number (326219040).

Almost surely, 2^4220650291 is an apocalyptic number.

4220650291 is a deficient number, since it is larger than the sum of its proper divisors (998854349).

4220650291 is a wasteful number, since it uses less digits than its factorization.

4220650291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553466.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4220650291 is about 64966.5320838353. The cubic root of 4220650291 is about 1616.0685916453.

The spelling of 4220650291 in words is "four billion, two hundred twenty million, six hundred fifty thousand, two hundred ninety-one".