22401223 has 8 divisors (see below), whose sum is σ = 25543728. Its totient is φ = 19461504.

The previous prime is 22401221. The next prime is 22401227. The reversal of 22401223 is 32210422.

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 22401223 - 2¹ = 22401221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22401197 and 22401206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50461 + ... + 50902.

It is an arithmetic number, because the mean of its divisors is an integer number (3192966).

Almost surely, 2^22401223 is an apocalyptic number.

22401223 is a deficient number, since it is larger than the sum of its proper divisors (3142505).

22401223 is a wasteful number, since it uses less digits than its factorization.

22401223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101393.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22401223 is about 4732.9930276729. The cubic root of 22401223 is about 281.8970794549.

Adding to 22401223 its reverse (32210422), we get a palindrome (54611645).

The spelling of 22401223 in words is "twenty-two million, four hundred one thousand, two hundred twenty-three".