22865245 has 8 divisors (see below), whose sum is σ = 29549016. Its totient is φ = 16885056.

The previous prime is 22865239. The next prime is 22865261. The reversal of 22865245 is 54256822.

It can be written as a sum of positive squares in 4 ways, for example, as 1907161 + 20958084 = 1381^2 + 4578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22865245 - 2¹³ = 22857053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22865245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175822 + ... + 175951.

It is an arithmetic number, because the mean of its divisors is an integer number (3693627).

Almost surely, 2^22865245 is an apocalyptic number.

It is an amenable number.

22865245 is a deficient number, since it is larger than the sum of its proper divisors (6683771).

22865245 is a wasteful number, since it uses less digits than its factorization.

22865245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351791.

The product of its digits is 38400, while the sum is 34.

The square root of 22865245 is about 4781.7617046440. The cubic root of 22865245 is about 283.8302107846.

The spelling of 22865245 in words is "twenty-two million, eight hundred sixty-five thousand, two hundred forty-five".