22655555 has 8 divisors (see below), whose sum is σ = 29278032. Its totient is φ = 16730208.

The previous prime is 22655531. The next prime is 22655557. The reversal of 22655555 is 55555622.

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 22655555 - 2⁶ = 22655491 is a prime.

It is a Duffinian number.

22655555 is a modest number, since divided by 5555 gives 2265 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22655557) 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, 174209 + ... + 174338.

It is an arithmetic number, because the mean of its divisors is an integer number (3659754).

Almost surely, 2^22655555 is an apocalyptic number.

22655555 is a deficient number, since it is larger than the sum of its proper divisors (6622477).

22655555 is a wasteful number, since it uses less digits than its factorization.

22655555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348565.

The product of its digits is 75000, while the sum is 35.

The square root of 22655555 is about 4759.7851842284. The cubic root of 22655555 is about 282.9599055852.

The spelling of 22655555 in words is "twenty-two million, six hundred fifty-five thousand, five hundred fifty-five".