22041245 has 16 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 16731264.

The previous prime is 22041223. The next prime is 22041259. The reversal of 22041245 is 54214022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22041245 - 2⁶ = 22041181 is a prime.

It is a Curzon number.

It is a congruent 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, 15056 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^22041245 is an apocalyptic number.

It is an amenable number.

22041245 is a deficient number, since it is larger than the sum of its proper divisors (5779555).

22041245 is a wasteful number, since it uses less digits than its factorization.

22041245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 22041245 is about 4694.8104328077. The cubic root of 22041245 is about 280.3789299818.

Adding to 22041245 its reverse (54214022), we get a palindrome (76255267).

It can be divided in two parts, 22041 and 245, that multiplied together give a palindrome (5400045).

The spelling of 22041245 in words is "twenty-two million, forty-one thousand, two hundred forty-five".