22206798 has 32 divisors (see below), whose sum is σ = 49967520. Its totient is φ = 7400808.

The previous prime is 22206739. The next prime is 22206809. The reversal of 22206798 is 89760222.

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 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (1561485).

Almost surely, 2^22206798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22206798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24983760).

22206798 is an abundant number, since it is smaller than the sum of its proper divisors (27760722).

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

22206798 is an frugal number, since it uses more digits than its factorization.

22206798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22206798 is about 4712.4089381122. The cubic root of 22206798 is about 281.0791602478.

The spelling of 22206798 in words is "twenty-two million, two hundred six thousand, seven hundred ninety-eight".