1002223213 has 4 divisors (see below), whose sum is σ = 1004147388. Its totient is φ = 1000299040.

The previous prime is 1002223207. The next prime is 1002223217. The reversal of 1002223213 is 3123222001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126832644 + 875390569 = 11262^2 + 29587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002223213 - 2¹⁷ = 1002092141 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 (1002223217) 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, 961306 + ... + 962347.

It is an arithmetic number, because the mean of its divisors is an integer number (251036847).

Almost surely, 2^1002223213 is an apocalyptic number.

It is an amenable number.

1002223213 is a deficient number, since it is larger than the sum of its proper divisors (1924175).

1002223213 is an equidigital number, since it uses as much as digits as its factorization.

1002223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924174.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1002223213 is about 31657.9091697478. The cubic root of 1002223213 is about 1000.7405224911.

Adding to 1002223213 its reverse (3123222001), we get a palindrome (4125445214).

The spelling of 1002223213 in words is "one billion, two million, two hundred twenty-three thousand, two hundred thirteen".