222533361 has 12 divisors (see below), whose sum is σ = 321638980. Its totient is φ = 148262400.

The previous prime is 222533359. The next prime is 222533369. The reversal of 222533361 is 163335222.

It can be written as a sum of positive squares in 2 ways, for example, as 53012961 + 169520400 = 7281^2 + 13020^2 .

It is not a de Polignac number, because 222533361 - 2¹ = 222533359 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222533369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9345 + ... + 23073.

Almost surely, 2^222533361 is an apocalyptic number.

It is an amenable number.

222533361 is a deficient number, since it is larger than the sum of its proper divisors (99105619).

222533361 is a wasteful number, since it uses less digits than its factorization.

222533361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15536 (or 15533 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 222533361 is about 14917.5521115229. The cubic root of 222533361 is about 605.9894207871.

Adding to 222533361 its reverse (163335222), we get a palindrome (385868583).

The spelling of 222533361 in words is "two hundred twenty-two million, five hundred thirty-three thousand, three hundred sixty-one".