33221404147 has 2 divisors, whose sum is σ = 33221404148. Its totient is φ = 33221404146.

The previous prime is 33221404141. The next prime is 33221404157. The reversal of 33221404147 is 74140412233.

It is a weak prime.

It is an emirp because it is prime and its reverse (74140412233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33221404147 - 2³¹ = 31073920499 is a prime.

It is a super-2 number, since 2×33221404147² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33221404141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610702073 + 16610702074.

It is an arithmetic number, because the mean of its divisors is an integer number (16610702074).

Almost surely, 2^33221404147 is an apocalyptic number.

33221404147 is a deficient number, since it is larger than the sum of its proper divisors (1).

33221404147 is an equidigital number, since it uses as much as digits as its factorization.

33221404147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 33221404147 in words is "thirty-three billion, two hundred twenty-one million, four hundred four thousand, one hundred forty-seven".