22259004 has 12 divisors (see below), whose sum is σ = 51937704. Its totient is φ = 7419664.

The previous prime is 22258981. The next prime is 22259033. The reversal of 22259004 is 40095222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 927447 + ... + 927470.

It is an arithmetic number, because the mean of its divisors is an integer number (4328142).

Almost surely, 2^22259004 is an apocalyptic number.

It is an amenable number.

22259004 is an abundant number, since it is smaller than the sum of its proper divisors (29678700).

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

22259004 is a wasteful number, since it uses less digits than its factorization.

22259004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854924 (or 1854922 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22259004 is about 4717.9448915815. The cubic root of 22259004 is about 281.2992510292.

The spelling of 22259004 in words is "twenty-two million, two hundred fifty-nine thousand, four".