222259479 has 32 divisors (see below), whose sum is σ = 339401664. Its totient is φ = 128163840.

The previous prime is 222259441. The next prime is 222259487. The reversal of 222259479 is 974952222.

It is not a de Polignac number, because 222259479 - 2²⁰ = 221210903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222259479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222259439) 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 31 ways as a sum of consecutive naturals, for example, 185707 + ... + 186899.

It is an arithmetic number, because the mean of its divisors is an integer number (10606302).

Almost surely, 2^222259479 is an apocalyptic number.

222259479 is a deficient number, since it is larger than the sum of its proper divisors (117142185).

222259479 is a wasteful number, since it uses less digits than its factorization.

222259479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its digits is 181440, while the sum is 42.

The square root of 222259479 is about 14908.3694279421. The cubic root of 222259479 is about 605.7407124149.

The spelling of 222259479 in words is "two hundred twenty-two million, two hundred fifty-nine thousand, four hundred seventy-nine".