22881105 has 24 divisors (see below), whose sum is σ = 42712488. Its totient is φ = 11264256.

The previous prime is 22881101. The next prime is 22881109. The reversal of 22881105 is 50118822.

It is an interprime number because it is at equal distance from previous prime (22881101) and next prime (22881109).

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 22724289 = 396^2 + 4767^2 .

It is not a de Polignac number, because 22881105 - 2² = 22881101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22881101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18972 + ... + 20141.

It is an arithmetic number, because the mean of its divisors is an integer number (1779687).

Almost surely, 2^22881105 is an apocalyptic number.

It is an amenable number.

22881105 is a deficient number, since it is larger than the sum of its proper divisors (19831383).

22881105 is a wasteful number, since it uses less digits than its factorization.

22881105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39137 (or 39134 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 22881105 is about 4783.4198017736. The cubic root of 22881105 is about 283.8958199182.

Adding to 22881105 its reverse (50118822), we get a palindrome (72999927).

The spelling of 22881105 in words is "twenty-two million, eight hundred eighty-one thousand, one hundred five".