22241385 has 20 divisors (see below), whose sum is σ = 39870468. Its totient is φ = 11861856.

The previous prime is 22241371. The next prime is 22241411. The reversal of 22241385 is 58314222.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 14356521 = 2808^2 + 3789^2 .

It is not a de Polignac number, because 22241385 - 2⁴ = 22241369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

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 19 ways as a sum of consecutive naturals, for example, 27054 + ... + 27863.

Almost surely, 2^22241385 is an apocalyptic number.

It is an amenable number.

22241385 is a deficient number, since it is larger than the sum of its proper divisors (17629083).

22241385 is an equidigital number, since it uses as much as digits as its factorization.

22241385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54934 (or 54925 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 22241385 is about 4716.0772894430. The cubic root of 22241385 is about 281.2250111132.

The spelling of 22241385 in words is "twenty-two million, two hundred forty-one thousand, three hundred eighty-five".