22105522 has 8 divisors (see below), whose sum is σ = 33188400. Its totient is φ = 11042724.

The previous prime is 22105469. The next prime is 22105529. The reversal of 22105522 is 22550122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22105522.

It is not an unprimeable number, because it can be changed into a prime (22105529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872 + ... + 6907.

It is an arithmetic number, because the mean of its divisors is an integer number (4148550).

Almost surely, 2^22105522 is an apocalyptic number.

22105522 is a deficient number, since it is larger than the sum of its proper divisors (11082878).

22105522 is a wasteful number, since it uses less digits than its factorization.

22105522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22105522 is about 4701.6509866216. The cubic root of 22105522 is about 280.6512138481.

Adding to 22105522 its reverse (22550122), we get a palindrome (44655644).

The spelling of 22105522 in words is "twenty-two million, one hundred five thousand, five hundred twenty-two".