1000022223 has 8 divisors (see below), whose sum is σ = 1333569328. Its totient is φ = 666578304.

The previous prime is 1000022213. The next prime is 1000022237. The reversal of 1000022223 is 3222200001.

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

It is not a de Polignac number, because 1000022223 - 2²⁵ = 966467791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000022199 and 1000022208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022213) 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, 711 + ... + 44727.

It is an arithmetic number, because the mean of its divisors is an integer number (166696166).

Almost surely, 2^1000022223 is an apocalyptic number.

1000022223 is a deficient number, since it is larger than the sum of its proper divisors (333547105).

1000022223 is an equidigital number, since it uses as much as digits as its factorization.

1000022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51593.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1000022223 is about 31623.1279762139. The cubic root of 1000022223 is about 1000.0074076118.

Adding to 1000022223 its reverse (3222200001), we get a palindrome (4222222224).

It can be divided in two parts, 10000 and 22223, that added together give a palindrome (32223).

The spelling of 1000022223 in words is "one billion, twenty-two thousand, two hundred twenty-three".