2221122233 has 32 divisors (see below), whose sum is σ = 2640314880. Its totient is φ = 1845504000.

The previous prime is 2221122229. The next prime is 2221122257. The reversal of 2221122233 is 3322211222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221122233 - 2² = 2221122229 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2221122263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2077223 + ... + 2078291.

It is an arithmetic number, because the mean of its divisors is an integer number (82509840).

Almost surely, 2^2221122233 is an apocalyptic number.

It is an amenable number.

2221122233 is a deficient number, since it is larger than the sum of its proper divisors (419192647).

2221122233 is a wasteful number, since it uses less digits than its factorization.

2221122233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its digits is 576, while the sum is 20.

The square root of 2221122233 is about 47128.7834873764. The cubic root of 2221122233 is about 1304.7405292425.

Adding to 2221122233 its reverse (3322211222), we get a palindrome (5543333455).

It can be divided in two parts, 22211 and 22233, that added together give a palindrome (44444).

The spelling of 2221122233 in words is "two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty-three".