222220011 has 32 divisors (see below), whose sum is σ = 335603520. Its totient is φ = 129830400.

The previous prime is 222219961. The next prime is 222220013. The reversal of 222220011 is 110022222.

It is not a de Polignac number, because 222220011 - 2⁶ = 222219947 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222220013) 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 31 ways as a sum of consecutive naturals, for example, 67381 + ... + 70601.

It is an arithmetic number, because the mean of its divisors is an integer number (10487610).

Almost surely, 2^222220011 is an apocalyptic number.

222220011 is a deficient number, since it is larger than the sum of its proper divisors (113383509).

222220011 is a wasteful number, since it uses less digits than its factorization.

222220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222220011 is about 14907.0456831661. The cubic root of 222220011 is about 605.7048552420.

Adding to 222220011 its reverse (110022222), we get a palindrome (332242233).

The spelling of 222220011 in words is "two hundred twenty-two million, two hundred twenty thousand, eleven".