222245333331 has 32 divisors (see below), whose sum is σ = 351110860800. Its totient is φ = 122363879040.

The previous prime is 222245333287. The next prime is 222245333357. The reversal of 222245333331 is 133333542222.

It is a happy number.

It is not a de Polignac number, because 222245333331 - 2¹¹ = 222245331283 is a prime.

It is a super-2 number, since 2×222245333331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222245333292 and 222245333301.

It is not an unprimeable number, because it can be changed into a prime (222245334331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596316 + ... + 894473.

It is an arithmetic number, because the mean of its divisors is an integer number (10972214400).

Almost surely, 2^222245333331 is an apocalyptic number.

222245333331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222245333331 is a deficient number, since it is larger than the sum of its proper divisors (128865527469).

222245333331 is a wasteful number, since it uses less digits than its factorization.

222245333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491059.

The product of its digits is 77760, while the sum is 33.

Adding to 222245333331 its reverse (133333542222), we get a palindrome (355578875553).

The spelling of 222245333331 in words is "two hundred twenty-two billion, two hundred forty-five million, three hundred thirty-three thousand, three hundred thirty-one".