2201222311 has 4 divisors (see below), whose sum is σ = 2201351400. Its totient is φ = 2201093224.

The previous prime is 2201222251. The next prime is 2201222347. The reversal of 2201222311 is 1132221022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132221022 = 2 ⋅566110511.

It is a cyclic number.

It is not a de Polignac number, because 2201222311 - 2⁷ = 2201222183 is a prime.

It is a super-3 number, since 3×2201222311³ (a number of 29 digits) 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 (2201222911) 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, 34216 + ... + 74653.

It is an arithmetic number, because the mean of its divisors is an integer number (550337850).

Almost surely, 2^2201222311 is an apocalyptic number.

2201222311 is a deficient number, since it is larger than the sum of its proper divisors (129089).

2201222311 is a wasteful number, since it uses less digits than its factorization.

2201222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129088.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2201222311 is about 46917.1856679405. The cubic root of 2201222311 is about 1300.8322700192.

Adding to 2201222311 its reverse (1132221022), we get a palindrome (3333443333).

The spelling of 2201222311 in words is "two billion, two hundred one million, two hundred twenty-two thousand, three hundred eleven".