222005011 has 4 divisors (see below), whose sum is σ = 222039792. Its totient is φ = 221970232.

The previous prime is 222004999. The next prime is 222005027. The reversal of 222005011 is 110500222.

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 222005011 - 2⁷ = 222004883 is a prime.

It is a super-2 number, since 2×222005011² = 98572449818220242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222004982 and 222005000.

It is not an unprimeable number, because it can be changed into a prime (222005041) 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, 4756 + ... + 21601.

It is an arithmetic number, because the mean of its divisors is an integer number (55509948).

Almost surely, 2^222005011 is an apocalyptic number.

222005011 is a deficient number, since it is larger than the sum of its proper divisors (34781).

222005011 is an equidigital number, since it uses as much as digits as its factorization.

222005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34780.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 222005011 is about 14899.8325829521. The cubic root of 222005011 is about 605.5094504502.

Adding to 222005011 its reverse (110500222), we get a palindrome (332505233).

The spelling of 222005011 in words is "two hundred twenty-two million, five thousand, eleven".