2273224155061 has 2 divisors, whose sum is σ = 2273224155062. Its totient is φ = 2273224155060.

The previous prime is 2273224155047. The next prime is 2273224155227. The reversal of 2273224155061 is 1605514223722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2221980778161 + 51243376900 = 1490631^2 + 226370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273224155061 - 2²³ = 2273215766453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273224155361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136612077530 + 1136612077531.

It is an arithmetic number, because the mean of its divisors is an integer number (1136612077531).

Almost surely, 2^{2273224155061} is an apocalyptic number.

It is an amenable number.

2273224155061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273224155061 is an equidigital number, since it uses as much as digits as its factorization.

2273224155061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 2273224155061 its reverse (1605514223722), we get a palindrome (3878738378783).

The spelling of 2273224155061 in words is "two trillion, two hundred seventy-three billion, two hundred twenty-four million, one hundred fifty-five thousand, sixty-one".