4206462221 has 12 divisors (see below), whose sum is σ = 4583967732. Its totient is φ = 3858132096.

The previous prime is 4206462191. The next prime is 4206462233. The reversal of 4206462221 is 1222646024.

It can be written as a sum of positive squares in 6 ways, for example, as 762532996 + 3443929225 = 27614^2 + 58685^2 .

It is not a de Polignac number, because 4206462221 - 2²² = 4202267917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206462121) 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 11 ways as a sum of consecutive naturals, for example, 52736 + ... + 105801.

It is an arithmetic number, because the mean of its divisors is an integer number (381997311).

Almost surely, 2^4206462221 is an apocalyptic number.

It is an amenable number.

4206462221 is a deficient number, since it is larger than the sum of its proper divisors (377505511).

4206462221 is a wasteful number, since it uses less digits than its factorization.

4206462221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158720 (or 158707 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4206462221 is about 64857.2449384030. The cubic root of 4206462221 is about 1614.2557086946.

The spelling of 4206462221 in words is "four billion, two hundred six million, four hundred sixty-two thousand, two hundred twenty-one".