4062645221 has 4 divisors (see below), whose sum is σ = 4072071744. Its totient is φ = 4053218700.

The previous prime is 4062645143. The next prime is 4062645247. The reversal of 4062645221 is 1225462604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4062645221 - 2¹⁴ = 4062628837 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 (4062665221) 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 3 ways as a sum of consecutive naturals, for example, 4712615 + ... + 4713476.

It is an arithmetic number, because the mean of its divisors is an integer number (1018017936).

Almost surely, 2^4062645221 is an apocalyptic number.

It is an amenable number.

4062645221 is a deficient number, since it is larger than the sum of its proper divisors (9426523).

4062645221 is an equidigital number, since it uses as much as digits as its factorization.

4062645221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426522.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 4062645221 is about 63738.8831169797. The cubic root of 4062645221 is about 1595.6450872814.

The spelling of 4062645221 in words is "four billion, sixty-two million, six hundred forty-five thousand, two hundred twenty-one".