22475789 has 4 divisors (see below), whose sum is σ = 25686624. Its totient is φ = 19264956.

The previous prime is 22475779. The next prime is 22475797. The reversal of 22475789 is 98757422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22475789 - 2²⁰ = 21427213 is a prime.

It is a super-2 number, since 2×22475789² = 1010322182345042, which contains 22 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 (22475759) 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 3 ways as a sum of consecutive naturals, for example, 1605407 + ... + 1605420.

It is an arithmetic number, because the mean of its divisors is an integer number (6421656).

Almost surely, 2^22475789 is an apocalyptic number.

It is an amenable number.

22475789 is a deficient number, since it is larger than the sum of its proper divisors (3210835).

22475789 is an equidigital number, since it uses as much as digits as its factorization.

22475789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210834.

The product of its digits is 282240, while the sum is 44.

The square root of 22475789 is about 4740.8637398685. The cubic root of 22475789 is about 282.2095126635.

The spelling of 22475789 in words is "twenty-two million, four hundred seventy-five thousand, seven hundred eighty-nine".