22773245 has 16 divisors (see below), whose sum is σ = 30542400. Its totient is φ = 16156800.

The previous prime is 22773221. The next prime is 22773277. The reversal of 22773245 is 54237722.

It is not a de Polignac number, because 22773245 - 2⁶ = 22773181 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795 + ... + 7304.

It is an arithmetic number, because the mean of its divisors is an integer number (1908900).

Almost surely, 2^22773245 is an apocalyptic number.

It is an amenable number.

22773245 is a deficient number, since it is larger than the sum of its proper divisors (7769155).

22773245 is a wasteful number, since it uses less digits than its factorization.

22773245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156.

The product of its digits is 23520, while the sum is 32.

The square root of 22773245 is about 4772.1321230662. The cubic root of 22773245 is about 283.4490284912.

The spelling of 22773245 in words is "twenty-two million, seven hundred seventy-three thousand, two hundred forty-five".