22328475 has 24 divisors (see below), whose sum is σ = 39757872. Its totient is φ = 10992000.

The previous prime is 22328447. The next prime is 22328479. The reversal of 22328475 is 57482322.

It is not a de Polignac number, because 22328475 - 2¹³ = 22320283 is a prime.

It is a super-3 number, since 3×22328475³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22328479) by changing a digit.

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, 10476 + ... + 12425.

It is an arithmetic number, because the mean of its divisors is an integer number (1656578).

Almost surely, 2^22328475 is an apocalyptic number.

22328475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22328475 is a deficient number, since it is larger than the sum of its proper divisors (17429397).

22328475 is a wasteful number, since it uses less digits than its factorization.

22328475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22927 (or 22922 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 22328475 is about 4725.3015776773. The cubic root of 22328475 is about 281.5915948214.

The spelling of 22328475 in words is "twenty-two million, three hundred twenty-eight thousand, four hundred seventy-five".