22321315 has 8 divisors (see below), whose sum is σ = 26979120. Its totient is φ = 17728032.

The previous prime is 22321297. The next prime is 22321319. The reversal of 22321315 is 51312322.

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 22321315 - 2⁹ = 22320803 is a prime.

It is a super-3 number, since 3×22321315³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22321292 and 22321301.

It is not an unprimeable number, because it can be changed into a prime (22321319) 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, 15364 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (3372390).

Almost surely, 2^22321315 is an apocalyptic number.

22321315 is a deficient number, since it is larger than the sum of its proper divisors (4657805).

22321315 is a wasteful number, since it uses less digits than its factorization.

22321315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32261.

The product of its digits is 360, while the sum is 19.

The square root of 22321315 is about 4724.5438933298. The cubic root of 22321315 is about 281.5614925810.

Adding to 22321315 its reverse (51312322), we get a palindrome (73633637).

The spelling of 22321315 in words is "twenty-two million, three hundred twenty-one thousand, three hundred fifteen".