22022035231550 has 72 divisors (see below), whose sum is σ = 43692744192240. Its totient is φ = 8256246220800.

The previous prime is 22022035231543. The next prime is 22022035231633. The reversal of 22022035231550 is 5513253022022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 320591 + ... + 6644309.

Almost surely, 2^{22022035231550} is an apocalyptic number.

22022035231550 is a deficient number, since it is larger than the sum of its proper divisors (21670708960690).

22022035231550 is a wasteful number, since it uses less digits than its factorization.

22022035231550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324006 (or 6323984 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 22022035231550 its reverse (5513253022022), we get a palindrome (27535288253572).

The spelling of 22022035231550 in words is "twenty-two trillion, twenty-two billion, thirty-five million, two hundred thirty-one thousand, five hundred fifty".