22107893 has 4 divisors (see below), whose sum is σ = 22126188. Its totient is φ = 22089600.

The previous prime is 22107863. The next prime is 22107901. The reversal of 22107893 is 39870122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 21141604 = 983^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 22107893 - 2⁸ = 22107637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22107823) 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, 7196 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (5531547).

Almost surely, 2^22107893 is an apocalyptic number.

It is an amenable number.

22107893 is a deficient number, since it is larger than the sum of its proper divisors (18295).

22107893 is a wasteful number, since it uses less digits than its factorization.

22107893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 22107893 is about 4701.9031253313. The cubic root of 22107893 is about 280.6612475437.

Adding to 22107893 its sum of digits (32), we get a triangular number (22107925 = T₆₆₄₉).

The spelling of 22107893 in words is "twenty-two million, one hundred seven thousand, eight hundred ninety-three".