1002222023 has 4 divisors (see below), whose sum is σ = 1093333128. Its totient is φ = 911110920.

The previous prime is 1002222019. The next prime is 1002222041. The reversal of 1002222023 is 3202222001.

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 1002222023 - 2² = 1002222019 is a prime.

It is a super-3 number, since 3×1002222023³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002221989 and 1002222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002222073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45555536 + ... + 45555557.

It is an arithmetic number, because the mean of its divisors is an integer number (273333282).

Almost surely, 2^1002222023 is an apocalyptic number.

1002222023 is a deficient number, since it is larger than the sum of its proper divisors (91111105).

1002222023 is an equidigital number, since it uses as much as digits as its factorization.

1002222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91111104.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1002222023 is about 31657.8903750708. The cubic root of 1002222023 is about 1000.7401264111.

Adding to 1002222023 its reverse (3202222001), we get a palindrome (4204444024).

The spelling of 1002222023 in words is "one billion, two million, two hundred twenty-two thousand, twenty-three".