22105798 has 32 divisors (see below), whose sum is σ = 40027680. Its totient is φ = 9020160.

The previous prime is 22105777. The next prime is 22105807. The reversal of 22105798 is 89750122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9538 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (1250865).

Almost surely, 2^22105798 is an apocalyptic number.

22105798 is a deficient number, since it is larger than the sum of its proper divisors (17921882).

22105798 is a wasteful number, since it uses less digits than its factorization.

22105798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 22105798 is about 4701.6803379218. The cubic root of 22105798 is about 280.6523818732.

It can be divided in two parts, 2210 and 5798, that added together give a palindrome (8008).

The spelling of 22105798 in words is "twenty-two million, one hundred five thousand, seven hundred ninety-eight".