22480445 has 8 divisors (see below), whose sum is σ = 29051736. Its totient is φ = 16600896.

The previous prime is 22480441. The next prime is 22480457. The reversal of 22480445 is 54408422.

It can be written as a sum of positive squares in 4 ways, for example, as 3364 + 22477081 = 58^2 + 4741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22480445 - 2² = 22480441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22480441) 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 7 ways as a sum of consecutive naturals, for example, 172862 + ... + 172991.

It is an arithmetic number, because the mean of its divisors is an integer number (3631467).

Almost surely, 2^22480445 is an apocalyptic number.

It is an amenable number.

22480445 is a deficient number, since it is larger than the sum of its proper divisors (6571291).

22480445 is a wasteful number, since it uses less digits than its factorization.

22480445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345871.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 22480445 is about 4741.3547641998. The cubic root of 22480445 is about 282.2289984721.

Adding to 22480445 its reverse (54408422), we get a palindrome (76888867).

The spelling of 22480445 in words is "twenty-two million, four hundred eighty thousand, four hundred forty-five".