1002402223 has 2 divisors, whose sum is σ = 1002402224. Its totient is φ = 1002402222.

The previous prime is 1002402221. The next prime is 1002402239. The reversal of 1002402223 is 3222042001.

It is an a-pointer prime, because the next prime (1002402239) can be obtained adding 1002402223 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (3222042001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002402223 - 2¹ = 1002402221 is a prime.

Together with 1002402221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1002402197 and 1002402206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002402221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501201111 + 501201112.

It is an arithmetic number, because the mean of its divisors is an integer number (501201112).

Almost surely, 2^1002402223 is an apocalyptic number.

1002402223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002402223 is an equidigital number, since it uses as much as digits as its factorization.

1002402223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1002402223 is about 31660.7362990819. The cubic root of 1002402223 is about 1000.8001006682.

Adding to 1002402223 its reverse (3222042001), we get a palindrome (4224444224).

It can be divided in two parts, 1002 and 402223, that added together give a square (403225 = 635²).

The spelling of 1002402223 in words is "one billion, two million, four hundred two thousand, two hundred twenty-three".