222323460551 has 2 divisors, whose sum is σ = 222323460552. Its totient is φ = 222323460550.

The previous prime is 222323460539. The next prime is 222323460581. The reversal of 222323460551 is 155064323222.

222323460551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222323460551 is a prime.

It is a super-2 number, since 2×222323460551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222323460581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111161730275 + 111161730276.

It is an arithmetic number, because the mean of its divisors is an integer number (111161730276).

Almost surely, 2^222323460551 is an apocalyptic number.

222323460551 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323460551 is an equidigital number, since it uses as much as digits as its factorization.

222323460551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 222323460551 its reverse (155064323222), we get a palindrome (377387783773).

The spelling of 222323460551 in words is "two hundred twenty-two billion, three hundred twenty-three million, four hundred sixty thousand, five hundred fifty-one".