33224081638 has 32 divisors (see below), whose sum is σ = 56284139520. Its totient is φ = 14578032960.

The previous prime is 33224081629. The next prime is 33224081659. The reversal of 33224081638 is 83618042233.

It is a super-2 number, since 2×33224081638² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33224081638.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 144598 + ... + 295561.

It is an arithmetic number, because the mean of its divisors is an integer number (1758879360).

Almost surely, 2^33224081638 is an apocalyptic number.

33224081638 is a deficient number, since it is larger than the sum of its proper divisors (23060057882).

33224081638 is a wasteful number, since it uses less digits than its factorization.

33224081638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440292.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 33224081638 in words is "thirty-three billion, two hundred twenty-four million, eighty-one thousand, six hundred thirty-eight".