22240515 has 32 divisors (see below), whose sum is σ = 39879936. Its totient is φ = 10488960.

The previous prime is 22240501. The next prime is 22240553. The reversal of 22240515 is 51504222.

It is a happy number.

It is not a de Polignac number, because 22240515 - 2⁴ = 22240499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22240491 and 22240500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4284 + ... + 7926.

It is an arithmetic number, because the mean of its divisors is an integer number (1246248).

Almost surely, 2^22240515 is an apocalyptic number.

22240515 is a deficient number, since it is larger than the sum of its proper divisors (17639421).

22240515 is a wasteful number, since it uses less digits than its factorization.

22240515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22240515 is about 4715.9850508669. The cubic root of 22240515 is about 281.2213442409.

Adding to 22240515 its reverse (51504222), we get a palindrome (73744737).

The spelling of 22240515 in words is "twenty-two million, two hundred forty thousand, five hundred fifteen".