22470075 has 24 divisors (see below), whose sum is σ = 41279600. Its totient is φ = 11983680.

The previous prime is 22470067. The next prime is 22470079. The reversal of 22470075 is 57007422.

It is not a de Polignac number, because 22470075 - 2³ = 22470067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22470079) 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, 15970 + ... + 17319.

Almost surely, 2^22470075 is an apocalyptic number.

22470075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22470075 is a deficient number, since it is larger than the sum of its proper divisors (18809525).

22470075 is a wasteful number, since it uses less digits than its factorization.

22470075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33308 (or 33297 counting only the distinct ones).

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

The square root of 22470075 is about 4740.2610687598. The cubic root of 22470075 is about 282.1855953448.

Adding to 22470075 its reverse (57007422), we get a palindrome (79477497).

The spelling of 22470075 in words is "twenty-two million, four hundred seventy thousand, seventy-five".