22420433 has 8 divisors (see below), whose sum is σ = 27130752. Its totient is φ = 18086976.

The previous prime is 22420429. The next prime is 22420439. The reversal of 22420433 is 33402422.

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

It is a cyclic number.

It is not a de Polignac number, because 22420433 - 2² = 22420429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22420439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94085 + ... + 94322.

It is an arithmetic number, because the mean of its divisors is an integer number (3391344).

Almost surely, 2^22420433 is an apocalyptic number.

It is an amenable number.

22420433 is a deficient number, since it is larger than the sum of its proper divisors (4710319).

22420433 is a wasteful number, since it uses less digits than its factorization.

22420433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188431.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22420433 is about 4735.0219640462. The cubic root of 22420433 is about 281.9776360046.

Adding to 22420433 its reverse (33402422), we get a palindrome (55822855).

The spelling of 22420433 in words is "twenty-two million, four hundred twenty thousand, four hundred thirty-three".