2222101 has 12 divisors (see below), whose sum is σ = 2616300. Its totient is φ = 1881600.

The previous prime is 2222093. The next prime is 2222123. The reversal of 2222101 is 1012222.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 396900 = 1351^2 + 630^2 .

It is not a de Polignac number, because 2222101 - 2³ = 2222093 is a prime.

It is a super-3 number, since 3×2222101³ = 32916423339158688903, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4725 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (218025).

2^2222101 is an apocalyptic number.

It is an amenable number.

2222101 is a deficient number, since it is larger than the sum of its proper divisors (394199).

2222101 is a wasteful number, since it uses less digits than its factorization.

2222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2222101 is about 1490.6713252760. The cubic root of 2222101 is about 130.4932151510.

Adding to 2222101 its reverse (1012222), we get a palindrome (3234323).

It can be divided in two parts, 2222 and 101, that multiplied together give a palindrome (224422).

The spelling of 2222101 in words is "two million, two hundred twenty-two thousand, one hundred one".