22115005 has 8 divisors (see below), whose sum is σ = 28950624. Its totient is φ = 16083600.

The previous prime is 22114999. The next prime is 22115033. The reversal of 22115005 is 50051122.

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

It is not a de Polignac number, because 22115005 - 2⁷ = 22114877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22115005.

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, 200991 + ... + 201100.

It is an arithmetic number, because the mean of its divisors is an integer number (3618828).

Almost surely, 2^22115005 is an apocalyptic number.

It is an amenable number.

22115005 is a deficient number, since it is larger than the sum of its proper divisors (6835619).

22115005 is a wasteful number, since it uses less digits than its factorization.

22115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402107.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 22115005 is about 4702.6593540251. The cubic root of 22115005 is about 280.6913400962.

Adding to 22115005 its reverse (50051122), we get a palindrome (72166127).

The spelling of 22115005 in words is "twenty-two million, one hundred fifteen thousand, five".