22431361 has 8 divisors (see below), whose sum is σ = 23529600. Its totient is φ = 21359088.

The previous prime is 22431359. The next prime is 22431377. The reversal of 22431361 is 16313422.

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 22431361 - 2¹ = 22431359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22431391) 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, 4711 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (2941200).

Almost surely, 2^22431361 is an apocalyptic number.

It is an amenable number.

22431361 is a deficient number, since it is larger than the sum of its proper divisors (1098239).

22431361 is a wasteful number, since it uses less digits than its factorization.

22431361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983.

The product of its digits is 864, while the sum is 22.

The square root of 22431361 is about 4736.1757779880. The cubic root of 22431361 is about 282.0234417077.

Adding to 22431361 its reverse (16313422), we get a palindrome (38744783).

The spelling of 22431361 in words is "twenty-two million, four hundred thirty-one thousand, three hundred sixty-one".