2220222101 has 4 divisors (see below), whose sum is σ = 2221170432. Its totient is φ = 2219273772.

The previous prime is 2220222089. The next prime is 2220222127. The reversal of 2220222101 is 1012220222.

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 a cyclic number.

It is not a de Polignac number, because 2220222101 - 2¹⁰ = 2220221077 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 (2220222401) 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, 470645 + ... + 475338.

It is an arithmetic number, because the mean of its divisors is an integer number (555292608).

Almost surely, 2^2220222101 is an apocalyptic number.

It is an amenable number.

2220222101 is a deficient number, since it is larger than the sum of its proper divisors (948331).

2220222101 is an equidigital number, since it uses as much as digits as its factorization.

2220222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948330.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2220222101 is about 47119.2328142129. The cubic root of 2220222101 is about 1304.5642523780.

Adding to 2220222101 its reverse (1012220222), we get a palindrome (3232442323).

It can be divided in two parts, 2220222 and 101, that multiplied together give a palindrome (224242422).

The spelling of 2220222101 in words is "two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".