22055671 has 4 divisors (see below), whose sum is σ = 24060744. Its totient is φ = 20050600.

The previous prime is 22055669. The next prime is 22055687. The reversal of 22055671 is 17655022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22055671 - 2¹ = 22055669 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 (22055611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002520 + ... + 1002541.

It is an arithmetic number, because the mean of its divisors is an integer number (6015186).

Almost surely, 2^22055671 is an apocalyptic number.

22055671 is a deficient number, since it is larger than the sum of its proper divisors (2005073).

22055671 is a wasteful number, since it uses less digits than its factorization.

22055671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005072.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 22055671 is about 4696.3465587625. The cubic root of 22055671 is about 280.4400860000.

The spelling of 22055671 in words is "twenty-two million, fifty-five thousand, six hundred seventy-one".