22218287033 has 2 divisors, whose sum is σ = 22218287034. Its totient is φ = 22218287032.

The previous prime is 22218287011. The next prime is 22218287053. The reversal of 22218287033 is 33078281222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11259756544 + 10958530489 = 106112^2 + 104683^2 .

It is a cyclic number.

It is not a de Polignac number, because 22218287033 - 2²⁰ = 22217238457 is a prime.

It is not a weakly prime, because it can be changed into another prime (22218287053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109143516 + 11109143517.

It is an arithmetic number, because the mean of its divisors is an integer number (11109143517).

Almost surely, 2^22218287033 is an apocalyptic number.

It is an amenable number.

22218287033 is a deficient number, since it is larger than the sum of its proper divisors (1).

22218287033 is an equidigital number, since it uses as much as digits as its factorization.

22218287033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 22218287033 in words is "twenty-two billion, two hundred eighteen million, two hundred eighty-seven thousand, thirty-three".