22231105 has 12 divisors (see below), whose sum is σ = 28888380. Its totient is φ = 16416192.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231105 is 50113222.

It can be written as a sum of positive squares in 6 ways, for example, as 9443329 + 12787776 = 3073^2 + 3576^2 .

It is not a de Polignac number, because 22231105 - 2¹¹ = 22229057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12310 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (2407365).

Almost surely, 2^22231105 is an apocalyptic number.

It is an amenable number.

22231105 is a deficient number, since it is larger than the sum of its proper divisors (6657275).

22231105 is a wasteful number, since it uses less digits than its factorization.

22231105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26340 (or 26327 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22231105 is about 4714.9872746382. The cubic root of 22231105 is about 281.1816769018.

Adding to 22231105 its product of nonzero digits (120), we get a square (22231225 = 4715²).

Adding to 22231105 its reverse (50113222), we get a palindrome (72344327).

The spelling of 22231105 in words is "twenty-two million, two hundred thirty-one thousand, one hundred five".