22224111122215 has 8 divisors (see below), whose sum is σ = 26668978068528. Its totient is φ = 17779259083200.

The previous prime is 22224111122207. The next prime is 22224111122221. The reversal of 22224111122215 is 51222111142222.

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

It is not a de Polignac number, because 22224111122215 - 2³ = 22224111122207 is a prime.

It is a super-2 number, since 2×22224111122215² (a number of 27 digits) contains 22 as substring.

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, 131742 + ... + 6668251.

It is an arithmetic number, because the mean of its divisors is an integer number (3333622258566).

Almost surely, 2^{22224111122215} is an apocalyptic number.

22224111122215 is a deficient number, since it is larger than the sum of its proper divisors (4444866946313).

22224111122215 is an equidigital number, since it uses as much as digits as its factorization.

22224111122215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453649.

The product of its digits is 2560, while the sum is 28.

Adding to 22224111122215 its reverse (51222111142222), we get a palindrome (73446222264437).

The spelling of 22224111122215 in words is "twenty-two trillion, two hundred twenty-four billion, one hundred eleven million, one hundred twenty-two thousand, two hundred fifteen".