22056567 has 8 divisors (see below), whose sum is σ = 31671024. Its totient is φ = 13573248.

The previous prime is 22056553. The next prime is 22056571. The reversal of 22056567 is 76565022.

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

It is not a de Polignac number, because 22056567 - 2⁸ = 22056311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056547) 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 7 ways as a sum of consecutive naturals, for example, 282738 + ... + 282815.

It is an arithmetic number, because the mean of its divisors is an integer number (3958878).

Almost surely, 2^22056567 is an apocalyptic number.

22056567 is a deficient number, since it is larger than the sum of its proper divisors (9614457).

22056567 is a wasteful number, since it uses less digits than its factorization.

22056567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565569.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 22056567 is about 4696.4419510945. The cubic root of 22056567 is about 280.4438835254.

The spelling of 22056567 in words is "twenty-two million, fifty-six thousand, five hundred sixty-seven".