22143551033 has 2 divisors, whose sum is σ = 22143551034. Its totient is φ = 22143551032.

The previous prime is 22143551021. The next prime is 22143551057. The reversal of 22143551033 is 33015534122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16438316944 + 5705234089 = 128212^2 + 75533^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143551033 - 2³² = 17848583737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22143550987 and 22143551005.

It is not a weakly prime, because it can be changed into another prime (22143551063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071775516 + 11071775517.

It is an arithmetic number, because the mean of its divisors is an integer number (11071775517).

Almost surely, 2^22143551033 is an apocalyptic number.

It is an amenable number.

22143551033 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143551033 is an equidigital number, since it uses as much as digits as its factorization.

22143551033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 22143551033 in words is "twenty-two billion, one hundred forty-three million, five hundred fifty-one thousand, thirty-three".