20221332233 has 2 divisors, whose sum is σ = 20221332234. Its totient is φ = 20221332232.

The previous prime is 20221332221. The next prime is 20221332277. The reversal of 20221332233 is 33223312202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15414960649 + 4806371584 = 124157^2 + 69328^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221332233 - 2¹⁰ = 20221331209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221332199 and 20221332208.

It is not a weakly prime, because it can be changed into another prime (20221332283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110666116 + 10110666117.

It is an arithmetic number, because the mean of its divisors is an integer number (10110666117).

Almost surely, 2^20221332233 is an apocalyptic number.

It is an amenable number.

20221332233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221332233 is an equidigital number, since it uses as much as digits as its factorization.

20221332233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20221332233 its reverse (33223312202), we get a palindrome (53444644435).

The spelling of 20221332233 in words is "twenty billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-three".