22655224 has 8 divisors (see below), whose sum is σ = 42478560. Its totient is φ = 11327608.

The previous prime is 22655219. The next prime is 22655249. The reversal of 22655224 is 42255622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22655192 and 22655201.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1415944 + ... + 1415959.

It is an arithmetic number, because the mean of its divisors is an integer number (5309820).

Almost surely, 2^22655224 is an apocalyptic number.

It is an amenable number.

22655224 is a deficient number, since it is larger than the sum of its proper divisors (19823336).

22655224 is a wasteful number, since it uses less digits than its factorization.

22655224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831909 (or 2831905 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 22655224 is about 4759.7504136246. The cubic root of 22655224 is about 282.9585275540.

It can be divided in two parts, 226552 and 24, that added together give a square (226576 = 476²).

The spelling of 22655224 in words is "twenty-two million, six hundred fifty-five thousand, two hundred twenty-four".