22099608 has 64 divisors (see below), whose sum is σ = 62056800. Its totient is φ = 7286400.

The previous prime is 22099589. The next prime is 22099661. The reversal of 22099608 is 80699022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21310 + ... + 22322.

Almost surely, 2^22099608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22099608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31028400).

22099608 is an abundant number, since it is smaller than the sum of its proper divisors (39957192).

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

22099608 is a wasteful number, since it uses less digits than its factorization.

22099608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 22099608 is about 4701.0220165407. The cubic root of 22099608 is about 280.6261836118.

The spelling of 22099608 in words is "twenty-two million, ninety-nine thousand, six hundred eight".