220225503 has 8 divisors (see below), whose sum is σ = 299881728. Its totient is φ = 143693144.

The previous prime is 220225501. The next prime is 220225589. The reversal of 220225503 is 305522022.

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

It is a cyclic number.

It is not a de Polignac number, because 220225503 - 2¹ = 220225501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220225503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220225501) 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 7 ways as a sum of consecutive naturals, for example, 780801 + ... + 781082.

It is an arithmetic number, because the mean of its divisors is an integer number (37485216).

Almost surely, 2^220225503 is an apocalyptic number.

220225503 is a deficient number, since it is larger than the sum of its proper divisors (79656225).

220225503 is a wasteful number, since it uses less digits than its factorization.

220225503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561933.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220225503 is about 14839.9967318056. The cubic root of 220225503 is about 603.8872636908.

Adding to 220225503 its reverse (305522022), we get a palindrome (525747525).

The spelling of 220225503 in words is "two hundred twenty million, two hundred twenty-five thousand, five hundred three".