22098378 has 16 divisors (see below), whose sum is σ = 44480160. Its totient is φ = 7318896.

The previous prime is 22098371. The next prime is 22098383. The reversal of 22098378 is 87389022.

It is not an unprimeable number, because it can be changed into a prime (22098371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (2780010).

Almost surely, 2^22098378 is an apocalyptic number.

22098378 is an abundant number, since it is smaller than the sum of its proper divisors (22381782).

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

22098378 is a wasteful number, since it uses less digits than its factorization.

22098378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 22098378 is about 4700.8911921039. The cubic root of 22098378 is about 280.6209772358.

The spelling of 22098378 in words is "twenty-two million, ninety-eight thousand, three hundred seventy-eight".