22240415 has 8 divisors (see below), whose sum is σ = 26720928. Its totient is φ = 17770720.

The previous prime is 22240397. The next prime is 22240429. The reversal of 22240415 is 51404222.

It is a happy number.

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

It is not a de Polignac number, because 22240415 - 2¹⁰ = 22239391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (3340116).

Almost surely, 2^22240415 is an apocalyptic number.

22240415 is a deficient number, since it is larger than the sum of its proper divisors (4480513).

22240415 is a wasteful number, since it uses less digits than its factorization.

22240415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 22240415 is about 4715.9744486161. The cubic root of 22240415 is about 281.2209227552.

Adding to 22240415 its reverse (51404222), we get a palindrome (73644637).

The spelling of 22240415 in words is "twenty-two million, two hundred forty thousand, four hundred fifteen".