22480009 has 2 divisors, whose sum is σ = 22480010. Its totient is φ = 22480008.

The previous prime is 22479997. The next prime is 22480033. The reversal of 22480009 is 90008422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 126025 = 4728^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22480009 - 2¹³ = 22471817 is a prime.

It is not a weakly prime, because it can be changed into another prime (22480049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240004 + 11240005.

It is an arithmetic number, because the mean of its divisors is an integer number (11240005).

Almost surely, 2^22480009 is an apocalyptic number.

It is an amenable number.

22480009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22480009 is an equidigital number, since it uses as much as digits as its factorization.

22480009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 22480009 is about 4741.3087855570. The cubic root of 22480009 is about 282.2271738843.

The spelling of 22480009 in words is "twenty-two million, four hundred eighty thousand, nine".