2221223101 has 4 divisors (see below), whose sum is σ = 2338129600. Its totient is φ = 2104316604.

The previous prime is 2221223099. The next prime is 2221223117. The reversal of 2221223101 is 1013221222.

It is a happy number.

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 2221223101 - 2¹ = 2221223099 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 (2221223401) 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, 58453221 + ... + 58453258.

It is an arithmetic number, because the mean of its divisors is an integer number (584532400).

Almost surely, 2^2221223101 is an apocalyptic number.

It is an amenable number.

2221223101 is a deficient number, since it is larger than the sum of its proper divisors (116906499).

2221223101 is a wasteful number, since it uses less digits than its factorization.

2221223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116906498.

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

The square root of 2221223101 is about 47129.8536068170. The cubic root of 2221223101 is about 1304.7602797052.

Adding to 2221223101 its reverse (1013221222), we get a palindrome (3234444323).

The spelling of 2221223101 in words is "two billion, two hundred twenty-one million, two hundred twenty-three thousand, one hundred one".