112223261 has 2 divisors, whose sum is σ = 112223262. Its totient is φ = 112223260.

The previous prime is 112223231. The next prime is 112223269. The reversal of 112223261 is 162322211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79103236 + 33120025 = 8894^2 + 5755^2 .

It is a cyclic number.

It is not a de Polignac number, because 112223261 - 2¹⁸ = 111961117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112223269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111630 + 56111631.

It is an arithmetic number, because the mean of its divisors is an integer number (56111631).

Almost surely, 2^112223261 is an apocalyptic number.

It is an amenable number.

112223261 is a deficient number, since it is larger than the sum of its proper divisors (1).

112223261 is an equidigital number, since it uses as much as digits as its factorization.

112223261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 112223261 is about 10593.5480836215. The cubic root of 112223261 is about 482.3485323730.

Adding to 112223261 its reverse (162322211), we get a palindrome (274545472).

The spelling of 112223261 in words is "one hundred twelve million, two hundred twenty-three thousand, two hundred sixty-one".