222101005 has 32 divisors (see below), whose sum is σ = 328644864. Its totient is φ = 140614656.

The previous prime is 222101003. The next prime is 222101017. The reversal of 222101005 is 500101222.

It is not a de Polignac number, because 222101005 - 2¹ = 222101003 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 (222101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28014 + ... + 35056.

It is an arithmetic number, because the mean of its divisors is an integer number (10270152).

Almost surely, 2^222101005 is an apocalyptic number.

It is an amenable number.

222101005 is a deficient number, since it is larger than the sum of its proper divisors (106543859).

222101005 is a wasteful number, since it uses less digits than its factorization.

222101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

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

The square root of 222101005 is about 14903.0535461697. The cubic root of 222101005 is about 605.5967110909.

Adding to 222101005 its reverse (500101222), we get a palindrome (722202227).

The spelling of 222101005 in words is "two hundred twenty-two million, one hundred one thousand, five".