1002220503 has 8 divisors (see below), whose sum is σ = 1339628016. Its totient is φ = 666480000.

The previous prime is 1002220487. The next prime is 1002220547. The reversal of 1002220503 is 3050222001.

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

It is not a de Polignac number, because 1002220503 - 2⁴ = 1002220487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220573) 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, 415348 + ... + 417753.

It is an arithmetic number, because the mean of its divisors is an integer number (167453502).

Almost surely, 2^1002220503 is an apocalyptic number.

1002220503 is a deficient number, since it is larger than the sum of its proper divisors (337407513).

1002220503 is an equidigital number, since it uses as much as digits as its factorization.

1002220503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833505.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1002220503 is about 31657.8663684083. The cubic root of 1002220503 is about 1000.7396204933.

Adding to 1002220503 its reverse (3050222001), we get a palindrome (4052442504).

The spelling of 1002220503 in words is "one billion, two million, two hundred twenty thousand, five hundred three".