22098636 has 48 divisors (see below), whose sum is σ = 65479680. Its totient is φ = 6313680.

The previous prime is 22098613. The next prime is 22098641. The reversal of 22098636 is 63689022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22098636.

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, 13860 + ... + 15371.

It is an arithmetic number, because the mean of its divisors is an integer number (1364160).

Almost surely, 2^22098636 is an apocalyptic number.

It is an amenable number.

22098636 is an abundant number, since it is smaller than the sum of its proper divisors (43381044).

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

22098636 is a wasteful number, since it uses less digits than its factorization.

22098636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29251 (or 29243 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22098636 is about 4700.9186336290. The cubic root of 22098636 is about 280.6220693209.

The spelling of 22098636 in words is "twenty-two million, ninety-eight thousand, six hundred thirty-six".