22480187 has 2 divisors, whose sum is σ = 22480188. Its totient is φ = 22480186.

The previous prime is 22480169. The next prime is 22480217. The reversal of 22480187 is 78108422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22480187 - 2⁶ = 22480123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22480387) 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, 11240093 + 11240094.

It is an arithmetic number, because the mean of its divisors is an integer number (11240094).

Almost surely, 2^22480187 is an apocalyptic number.

22480187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22480187 is an equidigital number, since it uses as much as digits as its factorization.

22480187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 22480187 is about 4741.3275567081. The cubic root of 22480187 is about 282.2279187877.

The spelling of 22480187 in words is "twenty-two million, four hundred eighty thousand, one hundred eighty-seven".