222002013 has 4 divisors (see below), whose sum is σ = 296002688. Its totient is φ = 148001340.

The previous prime is 222001987. The next prime is 222002051. The reversal of 222002013 is 310200222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222002013 - 2⁵ = 222001981 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 222002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002113) 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, 37000333 + ... + 37000338.

It is an arithmetic number, because the mean of its divisors is an integer number (74000672).

Almost surely, 2^222002013 is an apocalyptic number.

It is an amenable number.

222002013 is a deficient number, since it is larger than the sum of its proper divisors (74000675).

222002013 is an equidigital number, since it uses as much as digits as its factorization.

222002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74000674.

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

The square root of 222002013 is about 14899.7319774552. The cubic root of 222002013 is about 605.5067247978.

Adding to 222002013 its reverse (310200222), we get a palindrome (532202235).

The spelling of 222002013 in words is "two hundred twenty-two million, two thousand, thirteen".