22722750 has 48 divisors (see below), whose sum is σ = 61448400. Its totient is φ = 6058800.

The previous prime is 22722737. The next prime is 22722757. The reversal of 22722750 is 5722722.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22722757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (1280175).

Almost surely, 2^22722750 is an apocalyptic number.

22722750 is an abundant number, since it is smaller than the sum of its proper divisors (38725650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22722750 is a wasteful number, since it uses less digits than its factorization.

22722750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22722750 is about 4766.8385749887. The cubic root of 22722750 is about 283.2393767664.

The spelling of 22722750 in words is "twenty-two million, seven hundred twenty-two thousand, seven hundred fifty".