33220303973 has 2 divisors, whose sum is σ = 33220303974. Its totient is φ = 33220303972.

The previous prime is 33220303951. The next prime is 33220304023. The reversal of 33220303973 is 37930302233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33077788129 + 142515844 = 181873^2 + 11938^2 .

It is a cyclic number.

It is not a de Polignac number, because 33220303973 - 2¹⁴ = 33220287589 is a prime.

It is a super-2 number, since 2×33220303973² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33220303673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610151986 + 16610151987.

It is an arithmetic number, because the mean of its divisors is an integer number (16610151987).

Almost surely, 2^33220303973 is an apocalyptic number.

It is an amenable number.

33220303973 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220303973 is an equidigital number, since it uses as much as digits as its factorization.

33220303973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 35.

The spelling of 33220303973 in words is "thirty-three billion, two hundred twenty million, three hundred three thousand, nine hundred seventy-three".