1226315627 has 4 divisors (see below), whose sum is σ = 1228091016. Its totient is φ = 1224540240.

The previous prime is 1226315609. The next prime is 1226315647. The reversal of 1226315627 is 7265136221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1226315627 - 2¹⁰ = 1226314603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226315647) 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, 886658 + ... + 888039.

It is an arithmetic number, because the mean of its divisors is an integer number (307022754).

Almost surely, 2^1226315627 is an apocalyptic number.

1226315627 is a deficient number, since it is larger than the sum of its proper divisors (1775389).

1226315627 is an equidigital number, since it uses as much as digits as its factorization.

1226315627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775388.

The product of its digits is 30240, while the sum is 35.

The square root of 1226315627 is about 35018.7896278555. The cubic root of 1226315627 is about 1070.3703923393.

The spelling of 1226315627 in words is "one billion, two hundred twenty-six million, three hundred fifteen thousand, six hundred twenty-seven".