1002522223 has 4 divisors (see below), whose sum is σ = 1014600888. Its totient is φ = 990443560.

The previous prime is 1002522221. The next prime is 1002522233. The reversal of 1002522223 is 3222252001.

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 1002522223 - 2¹ = 1002522221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002522223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002522221) 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 3 ways as a sum of consecutive naturals, for example, 6039208 + ... + 6039373.

It is an arithmetic number, because the mean of its divisors is an integer number (253650222).

Almost surely, 2^1002522223 is an apocalyptic number.

1002522223 is a deficient number, since it is larger than the sum of its proper divisors (12078665).

1002522223 is an equidigital number, since it uses as much as digits as its factorization.

1002522223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078664.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1002522223 is about 31662.6313341137. The cubic root of 1002522223 is about 1000.8400351434.

Adding to 1002522223 its reverse (3222252001), we get a palindrome (4224774224).

The spelling of 1002522223 in words is "one billion, two million, five hundred twenty-two thousand, two hundred twenty-three".