22394222 has 4 divisors (see below), whose sum is σ = 33591336. Its totient is φ = 11197110.

The previous prime is 22394189. The next prime is 22394237. The reversal of 22394222 is 22249322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22394191 and 22394200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5598554 + ... + 5598557.

It is an arithmetic number, because the mean of its divisors is an integer number (8397834).

Almost surely, 2^22394222 is an apocalyptic number.

22394222 is a deficient number, since it is larger than the sum of its proper divisors (11197114).

22394222 is a wasteful number, since it uses less digits than its factorization.

22394222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197113.

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

The square root of 22394222 is about 4732.2533744507. The cubic root of 22394222 is about 281.8677095244.

The spelling of 22394222 in words is "twenty-two million, three hundred ninety-four thousand, two hundred twenty-two".