21822192233 has 2 divisors, whose sum is σ = 21822192234. Its totient is φ = 21822192232.

The previous prime is 21822192211. The next prime is 21822192247. The reversal of 21822192233 is 33229122812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21788121664 + 34070569 = 147608^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 21822192233 - 2⁶ = 21822192169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21822192193 and 21822192202.

It is not a weakly prime, because it can be changed into another prime (21822192533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10911096116 + 10911096117.

It is an arithmetic number, because the mean of its divisors is an integer number (10911096117).

Almost surely, 2^21822192233 is an apocalyptic number.

It is an amenable number.

21822192233 is a deficient number, since it is larger than the sum of its proper divisors (1).

21822192233 is an equidigital number, since it uses as much as digits as its factorization.

21822192233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The spelling of 21822192233 in words is "twenty-one billion, eight hundred twenty-two million, one hundred ninety-two thousand, two hundred thirty-three".