1223254441 has 2 divisors, whose sum is σ = 1223254442. Its totient is φ = 1223254440.

The previous prime is 1223254399. The next prime is 1223254519. The reversal of 1223254441 is 1444523221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704371600 + 518882841 = 26540^2 + 22779^2 .

It is an emirp because it is prime and its reverse (1444523221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223254441 - 2⁷ = 1223254313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223255441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611627220 + 611627221.

It is an arithmetic number, because the mean of its divisors is an integer number (611627221).

Almost surely, 2^1223254441 is an apocalyptic number.

It is an amenable number.

1223254441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223254441 is an equidigital number, since it uses as much as digits as its factorization.

1223254441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 1223254441 is about 34975.0545532098. The cubic root of 1223254441 is about 1069.4790141390.

Adding to 1223254441 its reverse (1444523221), we get a palindrome (2667777662).

The spelling of 1223254441 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, four hundred forty-one".