33442131227 has 2 divisors, whose sum is σ = 33442131228. Its totient is φ = 33442131226.

The previous prime is 33442131193. The next prime is 33442131257. The reversal of 33442131227 is 72213124433.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33442131227 is a prime.

It is a super-2 number, since 2×33442131227² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33442131193 and 33442131202.

It is not a weakly prime, because it can be changed into another prime (33442131257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16721065613 + 16721065614.

It is an arithmetic number, because the mean of its divisors is an integer number (16721065614).

Almost surely, 2^33442131227 is an apocalyptic number.

33442131227 is a deficient number, since it is larger than the sum of its proper divisors (1).

33442131227 is an equidigital number, since it uses as much as digits as its factorization.

33442131227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The spelling of 33442131227 in words is "thirty-three billion, four hundred forty-two million, one hundred thirty-one thousand, two hundred twenty-seven".