22561293 has 8 divisors (see below), whose sum is σ = 30185568. Its totient is φ = 14988944.

The previous prime is 22561267. The next prime is 22561313. The reversal of 22561293 is 39216522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22561293 - 2¹⁸ = 22299149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22561293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11955 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (3773196).

Almost surely, 2^22561293 is an apocalyptic number.

It is an amenable number.

22561293 is a deficient number, since it is larger than the sum of its proper divisors (7624275).

22561293 is a wasteful number, since it uses less digits than its factorization.

22561293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25963.

The product of its digits is 6480, while the sum is 30.

The square root of 22561293 is about 4749.8729456692. The cubic root of 22561293 is about 282.5669269995.

The spelling of 22561293 in words is "twenty-two million, five hundred sixty-one thousand, two hundred ninety-three".