33222020009 has 2 divisors, whose sum is σ = 33222020010. Its totient is φ = 33222020008.

The previous prime is 33222020003. The next prime is 33222020023. The reversal of 33222020009 is 90002022233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19186405225 + 14035614784 = 138515^2 + 118472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33222020009 is a prime.

It is a super-2 number, since 2×33222020009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33222020003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611010004 + 16611010005.

It is an arithmetic number, because the mean of its divisors is an integer number (16611010005).

Almost surely, 2^33222020009 is an apocalyptic number.

It is an amenable number.

33222020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33222020009 is an equidigital number, since it uses as much as digits as its factorization.

33222020009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 33222020009 in words is "thirty-three billion, two hundred twenty-two million, twenty thousand, nine".