22104506 has 16 divisors (see below), whose sum is σ = 33826464. Its totient is φ = 10830864.

The previous prime is 22104491. The next prime is 22104517. The reversal of 22104506 is 60540122.

It is a happy 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, 38981 + ... + 39543.

It is an arithmetic number, because the mean of its divisors is an integer number (2114154).

Almost surely, 2^22104506 is an apocalyptic number.

22104506 is a deficient number, since it is larger than the sum of its proper divisors (11721958).

22104506 is a wasteful number, since it uses less digits than its factorization.

22104506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22104506 is about 4701.5429382278. The cubic root of 22104506 is about 280.6469140778.

Adding to 22104506 its reverse (60540122), we get a palindrome (82644628).

The spelling of 22104506 in words is "twenty-two million, one hundred four thousand, five hundred six".