22409975 has 24 divisors (see below), whose sum is σ = 32625888. Its totient is φ = 14947200.

The previous prime is 22409971. The next prime is 22409977. The reversal of 22409975 is 57990422.

It is not a de Polignac number, because 22409975 - 2² = 22409971 is a prime.

It is a super-3 number, since 3×22409975³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22409971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4745 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (1359412).

Almost surely, 2^22409975 is an apocalyptic number.

22409975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22409975 is a deficient number, since it is larger than the sum of its proper divisors (10215913).

22409975 is a wasteful number, since it uses less digits than its factorization.

22409975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 22409975 is about 4733.9175108994. The cubic root of 22409975 is about 281.9337864092.

The spelling of 22409975 in words is "twenty-two million, four hundred nine thousand, nine hundred seventy-five".