22750328 has 8 divisors (see below), whose sum is σ = 42656880. Its totient is φ = 11375160.

The previous prime is 22750313. The next prime is 22750333. The reversal of 22750328 is 82305722.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22750328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421888 + ... + 1421903.

It is an arithmetic number, because the mean of its divisors is an integer number (5332110).

Almost surely, 2^22750328 is an apocalyptic number.

It is an amenable number.

22750328 is a deficient number, since it is larger than the sum of its proper divisors (19906552).

22750328 is a wasteful number, since it uses less digits than its factorization.

22750328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843797 (or 2843793 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22750328 is about 4769.7303907034. The cubic root of 22750328 is about 283.3539171512.

The spelling of 22750328 in words is "twenty-two million, seven hundred fifty thousand, three hundred twenty-eight".