22159804 has 12 divisors (see below), whose sum is σ = 39164328. Its totient is φ = 10970000.

The previous prime is 22159801. The next prime is 22159811. The reversal of 22159804 is 40895122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22159801) 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 3 ways as a sum of consecutive naturals, for example, 27022 + ... + 27829.

It is an arithmetic number, because the mean of its divisors is an integer number (3263694).

Almost surely, 2^22159804 is an apocalyptic number.

It is an amenable number.

22159804 is a deficient number, since it is larger than the sum of its proper divisors (17004524).

22159804 is a wasteful number, since it uses less digits than its factorization.

22159804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54956 (or 54954 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22159804 is about 4707.4201002248. The cubic root of 22159804 is about 280.8807470911.

It can be divided in two parts, 221 and 59804, that added together give a square (60025 = 245²).

The spelling of 22159804 in words is "twenty-two million, one hundred fifty-nine thousand, eight hundred four".