22205442687551 has 8 divisors (see below), whose sum is σ = 22754332036800. Its totient is φ = 21656900632960.

The previous prime is 22205442687521. The next prime is 22205442687563. The reversal of 22205442687551 is 15578624450222.

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 22205442687551 - 2²² = 22205438493247 is a prime.

It is a super-2 number, since 2×22205442687551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22205442687493 and 22205442687502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205442687521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 86694206 + ... + 86949963.

It is an arithmetic number, because the mean of its divisors is an integer number (2844291504600).

Almost surely, 2^{22205442687551} is an apocalyptic number.

22205442687551 is a deficient number, since it is larger than the sum of its proper divisors (548889349249).

22205442687551 is a wasteful number, since it uses less digits than its factorization.

22205442687551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173647329.

The product of its (nonzero) digits is 10752000, while the sum is 53.

The spelling of 22205442687551 in words is "twenty-two trillion, two hundred five billion, four hundred forty-two million, six hundred eighty-seven thousand, five hundred fifty-one".