22099448 has 16 divisors (see below), whose sum is σ = 47356080. Its totient is φ = 9471168.

The previous prime is 22099433. The next prime is 22099457. The reversal of 22099448 is 84499022.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 197261 + ... + 197372.

It is an arithmetic number, because the mean of its divisors is an integer number (2959755).

Almost surely, 2^22099448 is an apocalyptic number.

22099448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22099448 is an abundant number, since it is smaller than the sum of its proper divisors (25256632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22099448 is a wasteful number, since it uses less digits than its factorization.

22099448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394646 (or 394642 counting only the distinct ones).

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

The square root of 22099448 is about 4701.0049989337. The cubic root of 22099448 is about 280.6255063706.

The spelling of 22099448 in words is "twenty-two million, ninety-nine thousand, four hundred forty-eight".