22444479 has 16 divisors (see below), whose sum is σ = 33382240. Its totient is φ = 14904000.

The previous prime is 22444441. The next prime is 22444483. The reversal of 22444479 is 97444422.

It is not a de Polignac number, because 22444479 - 2⁷ = 22444351 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5979 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (2086390).

Almost surely, 2^22444479 is an apocalyptic number.

22444479 is a deficient number, since it is larger than the sum of its proper divisors (10937761).

22444479 is a wasteful number, since it uses less digits than its factorization.

22444479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3281 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 22444479 is about 4737.5604481632. The cubic root of 22444479 is about 282.0784073510.

The spelling of 22444479 in words is "twenty-two million, four hundred forty-four thousand, four hundred seventy-nine".