22222394 has 8 divisors (see below), whose sum is σ = 33359040. Its totient is φ = 11102716.

The previous prime is 22222391. The next prime is 22222411. The reversal of 22222394 is 49322222.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22222391) 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, 194 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (4169880).

Almost surely, 2^22222394 is an apocalyptic number.

22222394 is a deficient number, since it is larger than the sum of its proper divisors (11136646).

22222394 is a wasteful number, since it uses less digits than its factorization.

22222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484.

The product of its digits is 3456, while the sum is 26.

The square root of 22222394 is about 4714.0634276598. The cubic root of 22222394 is about 281.1449461803.

The spelling of 22222394 in words is "twenty-two million, two hundred twenty-two thousand, three hundred ninety-four".