22282499 has 4 divisors (see below), whose sum is σ = 22295064. Its totient is φ = 22269936.

The previous prime is 22282487. The next prime is 22282501. The reversal of 22282499 is 99428222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22282499 - 2⁸ = 22282243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22282199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (5573766).

Almost surely, 2^22282499 is an apocalyptic number.

22282499 is a deficient number, since it is larger than the sum of its proper divisors (12565).

22282499 is a wasteful number, since it uses less digits than its factorization.

22282499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564.

The product of its digits is 41472, while the sum is 38.

The square root of 22282499 is about 4720.4341961307. The cubic root of 22282499 is about 281.3981892970.

The spelling of 22282499 in words is "twenty-two million, two hundred eighty-two thousand, four hundred ninety-nine".