22094421 has 8 divisors (see below), whose sum is σ = 30740160. Its totient is φ = 14089152.

The previous prime is 22094417. The next prime is 22094437. The reversal of 22094421 is 12449022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22094421 - 2² = 22094417 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22094391 and 22094400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22094411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160036 + ... + 160173.

It is an arithmetic number, because the mean of its divisors is an integer number (3842520).

Almost surely, 2^22094421 is an apocalyptic number.

It is an amenable number.

22094421 is a deficient number, since it is larger than the sum of its proper divisors (8645739).

22094421 is a wasteful number, since it uses less digits than its factorization.

22094421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320235.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22094421 is about 4700.4702956194. The cubic root of 22094421 is about 280.6042266324.

The spelling of 22094421 in words is "twenty-two million, ninety-four thousand, four hundred twenty-one".