2312221633 has 2 divisors, whose sum is σ = 2312221634. Its totient is φ = 2312221632.

The previous prime is 2312221627. The next prime is 2312221693. The reversal of 2312221633 is 3361222132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1356669889 + 955551744 = 36833^2 + 30912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312221633 - 2⁵ = 2312221601 is a prime.

It is a super-2 number, since 2×2312221633² = 10692737760226373378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312221598 and 2312221607.

It is not a weakly prime, because it can be changed into another prime (2312221603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156110816 + 1156110817.

It is an arithmetic number, because the mean of its divisors is an integer number (1156110817).

Almost surely, 2^2312221633 is an apocalyptic number.

It is an amenable number.

2312221633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312221633 is an equidigital number, since it uses as much as digits as its factorization.

2312221633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 2312221633 is about 48085.5657448262. The cubic root of 2312221633 is about 1322.3400550562.

Adding to 2312221633 its reverse (3361222132), we get a palindrome (5673443765).

The spelling of 2312221633 in words is "two billion, three hundred twelve million, two hundred twenty-one thousand, six hundred thirty-three".