22206904 has 8 divisors (see below), whose sum is σ = 41637960. Its totient is φ = 11103448.

The previous prime is 22206901. The next prime is 22206907. The reversal of 22206904 is 40960222.

It is an interprime number because it is at equal distance from previous prime (22206901) and next prime (22206907).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206901) 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 as a sum of consecutive naturals, namely, 1387924 + ... + 1387939.

It is an arithmetic number, because the mean of its divisors is an integer number (5204745).

Almost surely, 2^22206904 is an apocalyptic number.

It is an amenable number.

22206904 is a deficient number, since it is larger than the sum of its proper divisors (19431056).

22206904 is a wasteful number, since it uses less digits than its factorization.

22206904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775869 (or 2775865 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22206904 is about 4712.4201850005. The cubic root of 22206904 is about 281.0796074734.

The spelling of 22206904 in words is "twenty-two million, two hundred six thousand, nine hundred four".