22243315 has 8 divisors (see below), whose sum is σ = 26717328. Its totient is φ = 17777760.

The previous prime is 22243313. The next prime is 22243321. The reversal of 22243315 is 51334222.

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

It is not a de Polignac number, because 22243315 - 2¹ = 22243313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243313) 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, 8905 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (3339666).

Almost surely, 2^22243315 is an apocalyptic number.

22243315 is a deficient number, since it is larger than the sum of its proper divisors (4474013).

22243315 is a wasteful number, since it uses less digits than its factorization.

22243315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its digits is 1440, while the sum is 22.

The square root of 22243315 is about 4716.2819042123. The cubic root of 22243315 is about 281.2331453274.

Adding to 22243315 its reverse (51334222), we get a palindrome (73577537).

The spelling of 22243315 in words is "twenty-two million, two hundred forty-three thousand, three hundred fifteen".