22104615 has 16 divisors (see below), whose sum is σ = 38088288. Its totient is φ = 10882176.

The previous prime is 22104611. The next prime is 22104629. The reversal of 22104615 is 51640122.

It is not a de Polignac number, because 22104615 - 2² = 22104611 is a prime.

It is a super-2 number, since 2×22104615² = 977228008596450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22104591 and 22104600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56484 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (2380518).

Almost surely, 2^22104615 is an apocalyptic number.

22104615 is a deficient number, since it is larger than the sum of its proper divisors (15983673).

22104615 is a wasteful number, since it uses less digits than its factorization.

22104615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113378.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22104615 is about 4701.5545301528. The cubic root of 22104615 is about 280.6473753784.

Adding to 22104615 its reverse (51640122), we get a palindrome (73744737).

The spelling of 22104615 in words is "twenty-two million, one hundred four thousand, six hundred fifteen".