22106505 has 8 divisors (see below), whose sum is σ = 35370432. Its totient is φ = 11790128.

The previous prime is 22106471. The next prime is 22106507. The reversal of 22106505 is 50560122.

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 22106505 - 2¹⁴ = 22090121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22106507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736869 + ... + 736898.

It is an arithmetic number, because the mean of its divisors is an integer number (4421304).

Almost surely, 2^22106505 is an apocalyptic number.

It is an amenable number.

22106505 is a deficient number, since it is larger than the sum of its proper divisors (13263927).

22106505 is a wasteful number, since it uses less digits than its factorization.

22106505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473775.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 22106505 is about 4701.7555232062. The cubic root of 22106505 is about 280.6553738351.

Adding to 22106505 its reverse (50560122), we get a palindrome (72666627).

The spelling of 22106505 in words is "twenty-two million, one hundred six thousand, five hundred five".