22655505 has 16 divisors (see below), whose sum is σ = 38157120. Its totient is φ = 11446848.

The previous prime is 22655491. The next prime is 22655519. The reversal of 22655505 is 50555622.

It is an interprime number because it is at equal distance from previous prime (22655491) and next prime (22655519).

It is not a de Polignac number, because 22655505 - 2⁴ = 22655489 is a prime.

It is a super-3 number, since 3×22655505³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39462 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (2384820).

Almost surely, 2^22655505 is an apocalyptic number.

It is an amenable number.

22655505 is a deficient number, since it is larger than the sum of its proper divisors (15501615).

22655505 is a wasteful number, since it uses less digits than its factorization.

22655505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79520.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 22655505 is about 4759.7799318876. The cubic root of 22655505 is about 282.9596974243.

The spelling of 22655505 in words is "twenty-two million, six hundred fifty-five thousand, five hundred five".