22480399 has 2 divisors, whose sum is σ = 22480400. Its totient is φ = 22480398.

The previous prime is 22480387. The next prime is 22480417. The reversal of 22480399 is 99308422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22480399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22480999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240199 + 11240200.

It is an arithmetic number, because the mean of its divisors is an integer number (11240200).

Almost surely, 2^22480399 is an apocalyptic number.

22480399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22480399 is an equidigital number, since it uses as much as digits as its factorization.

22480399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 22480399 is about 4741.3499132631. The cubic root of 22480399 is about 282.2288059709.

The spelling of 22480399 in words is "twenty-two million, four hundred eighty thousand, three hundred ninety-nine".