22241871 has 10 divisors (see below), whose sum is σ = 33225632. Its totient is φ = 14827860.

The previous prime is 22241861. The next prime is 22241893. The reversal of 22241871 is 17814222.

It is not a de Polignac number, because 22241871 - 2¹⁷ = 22110799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 137215 + ... + 137376.

Almost surely, 2^22241871 is an apocalyptic number.

22241871 is a deficient number, since it is larger than the sum of its proper divisors (10983761).

22241871 is an equidigital number, since it uses as much as digits as its factorization.

22241871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274603 (or 274594 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 22241871 is about 4716.1288150346. The cubic root of 22241871 is about 281.2270594622.

It can be divided in two parts, 2224 and 1871, that added together give a triangular number (4095 = T₉₀).

The spelling of 22241871 in words is "twenty-two million, two hundred forty-one thousand, eight hundred seventy-one".