222321330423461 has 2 divisors, whose sum is σ = 222321330423462. Its totient is φ = 222321330423460.

The previous prime is 222321330423373. The next prime is 222321330423571. The reversal of 222321330423461 is 164324033123222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190767338541025 + 31553991882436 = 13811855^2 + 5617294^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321330423461 - 2¹⁰ = 222321330422437 is a prime.

It is a super-2 number, since 2×222321330423461² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222321330429461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160665211730 + 111160665211731.

It is an arithmetic number, because the mean of its divisors is an integer number (111160665211731).

Almost surely, 2^{222321330423461} is an apocalyptic number.

It is an amenable number.

222321330423461 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321330423461 is an equidigital number, since it uses as much as digits as its factorization.

222321330423461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 222321330423461 its reverse (164324033123222), we get a palindrome (386645363546683).

The spelling of 222321330423461 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, three hundred thirty million, four hundred twenty-three thousand, four hundred sixty-one".