33224919947 has 2 divisors, whose sum is σ = 33224919948. Its totient is φ = 33224919946.

The previous prime is 33224919929. The next prime is 33224920031. The reversal of 33224919947 is 74991942233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33224919947 - 2³² = 28929952651 is a prime.

It is a super-2 number, since 2×33224919947² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33224919347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16612459973 + 16612459974.

It is an arithmetic number, because the mean of its divisors is an integer number (16612459974).

Almost surely, 2^33224919947 is an apocalyptic number.

33224919947 is a deficient number, since it is larger than the sum of its proper divisors (1).

33224919947 is an equidigital number, since it uses as much as digits as its factorization.

33224919947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 53.

The spelling of 33224919947 in words is "thirty-three billion, two hundred twenty-four million, nine hundred nineteen thousand, nine hundred forty-seven".