22241215 has 8 divisors (see below), whose sum is σ = 26751600. Its totient is φ = 17751552.

The previous prime is 22241209. The next prime is 22241237. The reversal of 22241215 is 51214222.

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 22241215 - 2⁵ = 22241183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22241192 and 22241201.

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, 2709 + ... + 7198.

It is an arithmetic number, because the mean of its divisors is an integer number (3343950).

Almost surely, 2^22241215 is an apocalyptic number.

22241215 is a deficient number, since it is larger than the sum of its proper divisors (4510385).

22241215 is an equidigital number, since it uses as much as digits as its factorization.

22241215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361.

The product of its digits is 320, while the sum is 19.

The square root of 22241215 is about 4716.0592659550. The cubic root of 22241215 is about 281.2242946054.

Adding to 22241215 its reverse (51214222), we get a palindrome (73455437).

The spelling of 22241215 in words is "twenty-two million, two hundred forty-one thousand, two hundred fifteen".