22231107 has 6 divisors (see below), whose sum is σ = 32111612. Its totient is φ = 14820732.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231107 is 70113222.

It is an interprime number because it is at equal distance from previous prime (22231067) and next prime (22231147).

It is not a de Polignac number, because 22231107 - 2⁸ = 22230851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22231107.

It is not an unprimeable number, because it can be changed into a prime (22231147) 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 5 ways as a sum of consecutive naturals, for example, 1235053 + ... + 1235070.

Almost surely, 2^22231107 is an apocalyptic number.

22231107 is a deficient number, since it is larger than the sum of its proper divisors (9880505).

22231107 is a wasteful number, since it uses less digits than its factorization.

22231107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470129 (or 2470126 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 22231107 is about 4714.9874867278. The cubic root of 22231107 is about 281.1816853339.

Adding to 22231107 its reverse (70113222), we get a palindrome (92344329).

It can be divided in two parts, 222 and 31107, that added together give a square (31329 = 177²).

The spelling of 22231107 in words is "twenty-two million, two hundred thirty-one thousand, one hundred seven".