22107804 has 12 divisors (see below), whose sum is σ = 51584904. Its totient is φ = 7369264.

The previous prime is 22107793. The next prime is 22107809. The reversal of 22107804 is 40870122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22107809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921147 + ... + 921170.

It is an arithmetic number, because the mean of its divisors is an integer number (4298742).

Almost surely, 2^22107804 is an apocalyptic number.

It is an amenable number.

22107804 is an abundant number, since it is smaller than the sum of its proper divisors (29477100).

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

22107804 is a wasteful number, since it uses less digits than its factorization.

22107804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842324 (or 1842322 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 22107804 is about 4701.8936610689. The cubic root of 22107804 is about 280.6608709228.

Adding to 22107804 its reverse (40870122), we get a palindrome (62977926).

The spelling of 22107804 in words is "twenty-two million, one hundred seven thousand, eight hundred four".