1226265316 has 12 divisors (see below), whose sum is σ = 2146924332. Its totient is φ = 612858368.

The previous prime is 1226265311. The next prime is 1226265329. The reversal of 1226265316 is 6135626221.

It can be written as a sum of positive squares in 2 ways, for example, as 823460416 + 402804900 = 28696^2 + 20070^2 .

It is not an unprimeable number, because it can be changed into a prime (1226265311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58345 + ... + 76528.

It is an arithmetic number, because the mean of its divisors is an integer number (178910361).

Almost surely, 2^1226265316 is an apocalyptic number.

It is an amenable number.

1226265316 is a deficient number, since it is larger than the sum of its proper divisors (920659016).

1226265316 is a wasteful number, since it uses less digits than its factorization.

1226265316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137150 (or 137148 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 1226265316 is about 35018.0712775561. The cubic root of 1226265316 is about 1070.3557544163.

The spelling of 1226265316 in words is "one billion, two hundred twenty-six million, two hundred sixty-five thousand, three hundred sixteen".