22005633551 has 8 divisors (see below), whose sum is σ = 24399689808. Its totient is φ = 19677168000.

The previous prime is 22005633523. The next prime is 22005633563. The reversal of 22005633551 is 15533650022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22005633551 - 2¹⁴ = 22005617167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005633511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16396970 + ... + 16398311.

It is an arithmetic number, because the mean of its divisors is an integer number (3049961226).

Almost surely, 2^22005633551 is an apocalyptic number.

22005633551 is a deficient number, since it is larger than the sum of its proper divisors (2394056257).

22005633551 is a wasteful number, since it uses less digits than its factorization.

22005633551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32795353.

The product of its (nonzero) digits is 27000, while the sum is 32.

It can be divided in two parts, 22005 and 633551, that added together give a palindrome (655556).

The spelling of 22005633551 in words is "twenty-two billion, five million, six hundred thirty-three thousand, five hundred fifty-one".