222213503 has 4 divisors (see below), whose sum is σ = 222432168. Its totient is φ = 221994840.

The previous prime is 222213463. The next prime is 222213559. The reversal of 222213503 is 305312222.

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 222213503 - 2¹⁰ = 222212479 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 (222213583) 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, 107801 + ... + 109842.

It is an arithmetic number, because the mean of its divisors is an integer number (55608042).

Almost surely, 2^222213503 is an apocalyptic number.

222213503 is a deficient number, since it is larger than the sum of its proper divisors (218665).

222213503 is a wasteful number, since it uses less digits than its factorization.

222213503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218664.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 222213503 is about 14906.8273955259. The cubic root of 222213503 is about 605.6989422346.

Adding to 222213503 its reverse (305312222), we get a palindrome (527525725).

The spelling of 222213503 in words is "two hundred twenty-two million, two hundred thirteen thousand, five hundred three".