33232222981 has 2 divisors, whose sum is σ = 33232222982. Its totient is φ = 33232222980.

The previous prime is 33232222873. The next prime is 33232223023. The reversal of 33232222981 is 18922223233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23162100481 + 10070122500 = 152191^2 + 100350^2 .

It is a cyclic number.

It is not a de Polignac number, because 33232222981 - 2¹⁷ = 33232091909 is a prime.

It is a super-2 number, since 2×33232222981² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33232222981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33232222181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16616111490 + 16616111491.

It is an arithmetic number, because the mean of its divisors is an integer number (16616111491).

Almost surely, 2^33232222981 is an apocalyptic number.

It is an amenable number.

33232222981 is a deficient number, since it is larger than the sum of its proper divisors (1).

33232222981 is an equidigital number, since it uses as much as digits as its factorization.

33232222981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The spelling of 33232222981 in words is "thirty-three billion, two hundred thirty-two million, two hundred twenty-two thousand, nine hundred eighty-one".