222045503 has 4 divisors (see below), whose sum is σ = 222746280. Its totient is φ = 221344728.

The previous prime is 222045493. The next prime is 222045521. The reversal of 222045503 is 305540222.

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

It is a cyclic number.

It is not a de Polignac number, because 222045503 - 2⁸ = 222045247 is a prime.

It is a super-3 number, since 3×222045503³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222045553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349913 + ... + 350546.

It is an arithmetic number, because the mean of its divisors is an integer number (55686570).

Almost surely, 2^222045503 is an apocalyptic number.

222045503 is a deficient number, since it is larger than the sum of its proper divisors (700777).

222045503 is an equidigital number, since it uses as much as digits as its factorization.

222045503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700776.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222045503 is about 14901.1913282127. The cubic root of 222045503 is about 605.5462616286.

Adding to 222045503 its reverse (305540222), we get a palindrome (527585725).

The spelling of 222045503 in words is "two hundred twenty-two million, forty-five thousand, five hundred three".