22248999 has 10 divisors (see below), whose sum is σ = 33236280. Its totient is φ = 14832612.

The previous prime is 22248997. The next prime is 22249009. The reversal of 22248999 is 99984222.

It is not a de Polignac number, because 22248999 - 2¹ = 22248997 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 137259 + ... + 137420.

It is an arithmetic number, because the mean of its divisors is an integer number (3323628).

Almost surely, 2^22248999 is an apocalyptic number.

22248999 is a deficient number, since it is larger than the sum of its proper divisors (10987281).

22248999 is an equidigital number, since it uses as much as digits as its factorization.

22248999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274691 (or 274682 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 22248999 is about 4716.8844590471. The cubic root of 22248999 is about 281.2570984875.

The spelling of 22248999 in words is "twenty-two million, two hundred forty-eight thousand, nine hundred ninety-nine".