22789073 has 4 divisors (see below), whose sum is σ = 23045220. Its totient is φ = 22532928.

The previous prime is 22789069. The next prime is 22789087. The reversal of 22789073 is 37098722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37098722 = 2 ⋅18549361.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 10029889 = 3572^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 22789073 - 2² = 22789069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22789033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127940 + ... + 128117.

It is an arithmetic number, because the mean of its divisors is an integer number (5761305).

Almost surely, 2^22789073 is an apocalyptic number.

It is an amenable number.

22789073 is a deficient number, since it is larger than the sum of its proper divisors (256147).

22789073 is an equidigital number, since it uses as much as digits as its factorization.

22789073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256146.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 22789073 is about 4773.7902132373. The cubic root of 22789073 is about 283.5146814424.

The spelling of 22789073 in words is "twenty-two million, seven hundred eighty-nine thousand, seventy-three".