22055171 has 8 divisors (see below), whose sum is σ = 23922864. Its totient is φ = 20250880.

The previous prime is 22055149. The next prime is 22055191. The reversal of 22055171 is 17155022.

It is a happy number.

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 22055171 - 2¹⁰ = 22054147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22055101) 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, 15125 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (2990358).

Almost surely, 2^22055171 is an apocalyptic number.

22055171 is a deficient number, since it is larger than the sum of its proper divisors (1867693).

22055171 is a wasteful number, since it uses less digits than its factorization.

22055171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 22055171 is about 4696.2933255920. The cubic root of 22055171 is about 280.4379668004.

The spelling of 22055171 in words is "twenty-two million, fifty-five thousand, one hundred seventy-one".