22750745 has 16 divisors (see below), whose sum is σ = 28950528. Its totient is φ = 17133120.

The previous prime is 22750729. The next prime is 22750747. The reversal of 22750745 is 54705722.

It is not a de Polignac number, because 22750745 - 2⁴ = 22750729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22750747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3752 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (1809408).

Almost surely, 2^22750745 is an apocalyptic number.

It is an amenable number.

22750745 is a deficient number, since it is larger than the sum of its proper divisors (6199783).

22750745 is a wasteful number, since it uses less digits than its factorization.

22750745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 22750745 is about 4769.7741036657. The cubic root of 22750745 is about 283.3556483770.

The spelling of 22750745 in words is "twenty-two million, seven hundred fifty thousand, seven hundred forty-five".