222023505 has 24 divisors (see below), whose sum is σ = 390470976. Its totient is φ = 107646880.

The previous prime is 222023497. The next prime is 222023509. The reversal of 222023505 is 505320222.

It is not a de Polignac number, because 222023505 - 2³ = 222023497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222023509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59349 + ... + 62978.

It is an arithmetic number, because the mean of its divisors is an integer number (16269624).

Almost surely, 2^222023505 is an apocalyptic number.

It is an amenable number.

222023505 is a deficient number, since it is larger than the sum of its proper divisors (168447471).

222023505 is a wasteful number, since it uses less digits than its factorization.

222023505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122357 (or 122346 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 222023505 is about 14900.4531810278. The cubic root of 222023505 is about 605.5262638557.

Adding to 222023505 its reverse (505320222), we get a palindrome (727343727).

The spelling of 222023505 in words is "two hundred twenty-two million, twenty-three thousand, five hundred five".