1103226281 has 2 divisors, whose sum is σ = 1103226282. Its totient is φ = 1103226280.

The previous prime is 1103226277. The next prime is 1103226287. The reversal of 1103226281 is 1826223011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979126681 + 124099600 = 31291^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103226281 - 2² = 1103226277 is a prime.

It is a super-2 number, since 2×1103226281² = 2434216454178181922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103226281.

It is not a weakly prime, because it can be changed into another prime (1103226287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551613140 + 551613141.

It is an arithmetic number, because the mean of its divisors is an integer number (551613141).

Almost surely, 2^1103226281 is an apocalyptic number.

It is an amenable number.

1103226281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103226281 is an equidigital number, since it uses as much as digits as its factorization.

1103226281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1103226281 is about 33214.8503082582. The cubic root of 1103226281 is about 1033.2883503022.

Adding to 1103226281 its reverse (1826223011), we get a palindrome (2929449292).

The spelling of 1103226281 in words is "one billion, one hundred three million, two hundred twenty-six thousand, two hundred eighty-one".