222340455 has 12 divisors (see below), whose sum is σ = 385390200. Its totient is φ = 118581552.

The previous prime is 222340441. The next prime is 222340457. The reversal of 222340455 is 554043222.

It is a happy number.

It is not a de Polignac number, because 222340455 - 2¹¹ = 222338407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222340457) 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 11 ways as a sum of consecutive naturals, for example, 2470405 + ... + 2470494.

It is an arithmetic number, because the mean of its divisors is an integer number (32115850).

Almost surely, 2^222340455 is an apocalyptic number.

222340455 is a deficient number, since it is larger than the sum of its proper divisors (163049745).

222340455 is a wasteful number, since it uses less digits than its factorization.

222340455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940910 (or 4940907 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 222340455 is about 14911.0849705848. The cubic root of 222340455 is about 605.8142668395.

Adding to 222340455 its reverse (554043222), we get a palindrome (776383677).

The spelling of 222340455 in words is "two hundred twenty-two million, three hundred forty thousand, four hundred fifty-five".