22334561 has 8 divisors (see below), whose sum is σ = 22621248. Its totient is φ = 22050000.

The previous prime is 22334551. The next prime is 22334567. The reversal of 22334561 is 16543322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22334561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22334561.

It is not an unprimeable number, because it can be changed into a prime (22334567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31511 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (2827656).

Almost surely, 2^22334561 is an apocalyptic number.

It is an amenable number.

22334561 is a deficient number, since it is larger than the sum of its proper divisors (286687).

22334561 is a wasteful number, since it uses less digits than its factorization.

22334561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 4320, while the sum is 26.

The square root of 22334561 is about 4725.9455138628. The cubic root of 22334561 is about 281.6171766665.

Adding to 22334561 its reverse (16543322), we get a palindrome (38877883).

The spelling of 22334561 in words is "twenty-two million, three hundred thirty-four thousand, five hundred sixty-one".