8744422 has 4 divisors (see below), whose sum is σ = 13116636. Its totient is φ = 4372210.

The previous prime is 8744419. The next prime is 8744423. The reversal of 8744422 is 2244478.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8744422² = 152929832228168, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8744423) 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 as a sum of consecutive naturals, namely, 2186104 + ... + 2186107.

It is an arithmetic number, because the mean of its divisors is an integer number (3279159).

Almost surely, 2^8744422 is an apocalyptic number.

8744422 is a deficient number, since it is larger than the sum of its proper divisors (4372214).

8744422 is a wasteful number, since it uses less digits than its factorization.

8744422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372213.

The product of its digits is 14336, while the sum is 31.

The square root of 8744422 is about 2957.0968871513. The cubic root of 8744422 is about 206.0204680074.

The spelling of 8744422 in words is "eight million, seven hundred forty-four thousand, four hundred twenty-two".