22205898 has 48 divisors (see below), whose sum is σ = 56530656. Its totient is φ = 6210720.

The previous prime is 22205863. The next prime is 22205899. The reversal of 22205898 is 89850222.

It is not an unprimeable number, because it can be changed into a prime (22205899) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1740 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (1177722).

Almost surely, 2^22205898 is an apocalyptic number.

22205898 is an abundant number, since it is smaller than the sum of its proper divisors (34324758).

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

22205898 is a wasteful number, since it uses less digits than its factorization.

22205898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659 (or 8656 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 22205898 is about 4712.3134445832. The cubic root of 22205898 is about 281.0753629922.

It can be divided in two parts, 2220 and 5898, that added together give a palindrome (8118).

The spelling of 22205898 in words is "twenty-two million, two hundred five thousand, eight hundred ninety-eight".