2221233155 has 8 divisors (see below), whose sum is σ = 2727467952. Its totient is φ = 1735661088.

The previous prime is 2221233149. The next prime is 2221233229. The reversal of 2221233155 is 5513321222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221233155 - 2⁴ = 2221233139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165444 + ... + 5165873.

It is an arithmetic number, because the mean of its divisors is an integer number (340933494).

Almost surely, 2^2221233155 is an apocalyptic number.

2221233155 is a deficient number, since it is larger than the sum of its proper divisors (506234797).

2221233155 is a wasteful number, since it uses less digits than its factorization.

2221233155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331365.

The product of its digits is 3600, while the sum is 26.

The square root of 2221233155 is about 47129.9602694507. The cubic root of 2221233155 is about 1304.7622482963.

Adding to 2221233155 its reverse (5513321222), we get a palindrome (7734554377).

The spelling of 2221233155 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, one hundred fifty-five".