33220013227 has 2 divisors, whose sum is σ = 33220013228. Its totient is φ = 33220013226.

The previous prime is 33220013173. The next prime is 33220013243. The reversal of 33220013227 is 72231002233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33220013227 - 2¹⁵ = 33219980459 is a prime.

It is a super-2 number, since 2×33220013227² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33220013287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610006613 + 16610006614.

It is an arithmetic number, because the mean of its divisors is an integer number (16610006614).

Almost surely, 2^33220013227 is an apocalyptic number.

33220013227 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220013227 is an equidigital number, since it uses as much as digits as its factorization.

33220013227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The spelling of 33220013227 in words is "thirty-three billion, two hundred twenty million, thirteen thousand, two hundred twenty-seven".