33351222664 has 16 divisors (see below), whose sum is σ = 62917186320. Its totient is φ = 16573306320.

The previous prime is 33351222649. The next prime is 33351222679. The reversal of 33351222664 is 46622215333.

It is an interprime number because it is at equal distance from previous prime (33351222649) and next prime (33351222679).

It is a super-2 number, since 2×33351222664² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12786742 + ... + 12789349.

It is an arithmetic number, because the mean of its divisors is an integer number (3932324145).

Almost surely, 2^33351222664 is an apocalyptic number.

It is an amenable number.

33351222664 is a deficient number, since it is larger than the sum of its proper divisors (29565963656).

33351222664 is a wasteful number, since it uses less digits than its factorization.

33351222664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25576260 (or 25576256 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

Adding to 33351222664 its reverse (46622215333), we get a palindrome (79973437997).

The spelling of 33351222664 in words is "thirty-three billion, three hundred fifty-one million, two hundred twenty-two thousand, six hundred sixty-four".