222665333623 has 2 divisors, whose sum is σ = 222665333624. Its totient is φ = 222665333622.

The previous prime is 222665333621. The next prime is 222665333647. The reversal of 222665333623 is 326333566222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222665333623 - 2¹ = 222665333621 is a prime.

It is a super-2 number, since 2×222665333623² (a number of 23 digits) contains 22 as substring.

Together with 222665333621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222665333623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222665333621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111332666811 + 111332666812.

It is an arithmetic number, because the mean of its divisors is an integer number (111332666812).

Almost surely, 2^222665333623 is an apocalyptic number.

222665333623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222665333623 is an equidigital number, since it uses as much as digits as its factorization.

222665333623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 43.

Adding to 222665333623 its reverse (326333566222), we get a palindrome (548998899845).

The spelling of 222665333623 in words is "two hundred twenty-two billion, six hundred sixty-five million, three hundred thirty-three thousand, six hundred twenty-three".