22655361 has 4 divisors (see below), whose sum is σ = 30207152. Its totient is φ = 15103572.

The previous prime is 22655357. The next prime is 22655371. The reversal of 22655361 is 16355622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22655361 - 2² = 22655357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22655341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3775891 + ... + 3775896.

It is an arithmetic number, because the mean of its divisors is an integer number (7551788).

Almost surely, 2^22655361 is an apocalyptic number.

It is an amenable number.

22655361 is a deficient number, since it is larger than the sum of its proper divisors (7551791).

22655361 is an equidigital number, since it uses as much as digits as its factorization.

22655361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551790.

The product of its digits is 10800, while the sum is 30.

The square root of 22655361 is about 4759.7648051138. The cubic root of 22655361 is about 282.9590979190.

It can be divided in two parts, 2265 and 5361, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 22655361 in words is "twenty-two million, six hundred fifty-five thousand, three hundred sixty-one".