22293394 has 8 divisors (see below), whose sum is σ = 34894080. Its totient is φ = 10662036.

The previous prime is 22293391. The next prime is 22293407. The reversal of 22293394 is 49339222.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22293391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242274 + ... + 242365.

It is an arithmetic number, because the mean of its divisors is an integer number (4361760).

Almost surely, 2^22293394 is an apocalyptic number.

22293394 is a deficient number, since it is larger than the sum of its proper divisors (12600686).

22293394 is a wasteful number, since it uses less digits than its factorization.

22293394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484664.

The product of its digits is 23328, while the sum is 34.

The square root of 22293394 is about 4721.5880802967. The cubic root of 22293394 is about 281.4440449216. Note that the first 3 decimals are identical.

The spelling of 22293394 in words is "twenty-two million, two hundred ninety-three thousand, three hundred ninety-four".