23422561 has 8 divisors (see below), whose sum is σ = 23828000. Its totient is φ = 23019552.

The previous prime is 23422559. The next prime is 23422571. The reversal of 23422561 is 16522432.

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 23422561 - 2¹ = 23422559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23422501) 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, 36106 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (2978500).

Almost surely, 2^23422561 is an apocalyptic number.

It is an amenable number.

23422561 is a deficient number, since it is larger than the sum of its proper divisors (405439).

23422561 is an equidigital number, since it uses as much as digits as its factorization.

23422561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 2880, while the sum is 25.

The square root of 23422561 is about 4839.6860435363. The cubic root of 23422561 is about 286.1177445647.

Adding to 23422561 its reverse (16522432), we get a palindrome (39944993).

The spelling of 23422561 in words is "twenty-three million, four hundred twenty-two thousand, five hundred sixty-one".