33522221688850 has 24 divisors (see below), whose sum is σ = 63373485336228. Its totient is φ = 13189070827200.

The previous prime is 33522221688779. The next prime is 33522221688877. The reversal of 33522221688850 is 5888612222533.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23442365881 + 33498779322969 = 153109^2 + 5787813^2 .

It is a super-2 number, since 2×33522221688850² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33522221688791 and 33522221688800.

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 11 ways as a sum of consecutive naturals, for example, 5495443129 + ... + 5495449228.

Almost surely, 2^{33522221688850} is an apocalyptic number.

33522221688850 is a deficient number, since it is larger than the sum of its proper divisors (29851263647378).

33522221688850 is a wasteful number, since it uses less digits than its factorization.

33522221688850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990892430 (or 10990892425 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 33522221688850 in words is "thirty-three trillion, five hundred twenty-two billion, two hundred twenty-one million, six hundred eighty-eight thousand, eight hundred fifty".