22424655 has 64 divisors (see below), whose sum is σ = 43130880. Its totient is φ = 9820800.

The previous prime is 22424641. The next prime is 22424659. The reversal of 22424655 is 55642422.

It is a happy number.

It is not a de Polignac number, because 22424655 - 2⁴ = 22424639 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424659) 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 63 ways as a sum of consecutive naturals, for example, 71950 + ... + 72260.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 2^22424655 is an apocalyptic number.

22424655 is a deficient number, since it is larger than the sum of its proper divisors (20706225).

22424655 is a wasteful number, since it uses less digits than its factorization.

22424655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its digits is 19200, while the sum is 30.

The square root of 22424655 is about 4735.4677699252. The cubic root of 22424655 is about 281.9953346645.

The spelling of 22424655 in words is "twenty-two million, four hundred twenty-four thousand, six hundred fifty-five".