1000122233 has 6 divisors (see below), whose sum is σ = 1099308042. Its totient is φ = 909201920.

The previous prime is 1000122191. The next prime is 1000122239. The reversal of 1000122233 is 3322210001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 600642064 + 399480169 = 24508^2 + 19987^2 .

It is not a de Polignac number, because 1000122233 - 2²⁶ = 933013369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000122239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4132616 + ... + 4132857.

It is an arithmetic number, because the mean of its divisors is an integer number (183218007).

Almost surely, 2^1000122233 is an apocalyptic number.

It is an amenable number.

1000122233 is a deficient number, since it is larger than the sum of its proper divisors (99185809).

1000122233 is an equidigital number, since it uses as much as digits as its factorization.

1000122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265495 (or 8265484 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1000122233 is about 31624.7092160545. The cubic root of 1000122233 is about 1000.0407426733.

Adding to 1000122233 its reverse (3322210001), we get a palindrome (4322332234).

The spelling of 1000122233 in words is "one billion, one hundred twenty-two thousand, two hundred thirty-three".