4520221151 has 4 divisors (see below), whose sum is σ = 4525674600. Its totient is φ = 4514767704.

The previous prime is 4520221133. The next prime is 4520221169. The reversal of 4520221151 is 1511220254.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4520221133) and next prime (4520221169).

It is a cyclic number.

It is not a de Polignac number, because 4520221151 - 2¹⁸ = 4519959007 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 (4520223151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725481 + ... + 2727138.

It is an arithmetic number, because the mean of its divisors is an integer number (1131418650).

Almost surely, 2^4520221151 is an apocalyptic number.

4520221151 is a deficient number, since it is larger than the sum of its proper divisors (5453449).

4520221151 is an equidigital number, since it uses as much as digits as its factorization.

4520221151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453448.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 4520221151 is about 67232.5899471380. The cubic root of 4520221151 is about 1653.4328469637.

The spelling of 4520221151 in words is "four billion, five hundred twenty million, two hundred twenty-one thousand, one hundred fifty-one".