7221144503 has 8 divisors (see below), whose sum is σ = 7692787200. Its totient is φ = 6758660088.

The previous prime is 7221144487. The next prime is 7221144521. The reversal of 7221144503 is 3054411227.

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

It is not a de Polignac number, because 7221144503 - 2⁴ = 7221144487 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 (7221144523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287943 + ... + 2291096.

It is an arithmetic number, because the mean of its divisors is an integer number (961598400).

Almost surely, 2^7221144503 is an apocalyptic number.

7221144503 is a deficient number, since it is larger than the sum of its proper divisors (471642697).

7221144503 is a wasteful number, since it uses less digits than its factorization.

7221144503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579141.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7221144503 is about 84977.3175794576. The cubic root of 7221144503 is about 1932.8671804558.

The spelling of 7221144503 in words is "seven billion, two hundred twenty-one million, one hundred forty-four thousand, five hundred three".