22321875 has 24 divisors (see below), whose sum is σ = 37216368. Its totient is φ = 11900000.

The previous prime is 22321861. The next prime is 22321919. The reversal of 22321875 is 57812322.

It is not a de Polignac number, because 22321875 - 2⁶ = 22321811 is a prime.

It is a super-3 number, since 3×22321875³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8185 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (1550682).

Almost surely, 2^22321875 is an apocalyptic number.

22321875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22321875 is a deficient number, since it is larger than the sum of its proper divisors (14894493).

22321875 is an frugal number, since it uses more digits than its factorization.

22321875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2389 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 22321875 is about 4724.6031579382. The cubic root of 22321875 is about 281.5638471782.

The spelling of 22321875 in words is "twenty-two million, three hundred twenty-one thousand, eight hundred seventy-five".