1244322306 has 12 divisors (see below), whose sum is σ = 2696031702. Its totient is φ = 414774096.

The previous prime is 1244322281. The next prime is 1244322307. The reversal of 1244322306 is 6032234421.

It can be written as a sum of positive squares in only one way, i.e., 791015625 + 453306681 = 28125^2 + 21291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1244322306.

It is not an unprimeable number, because it can be changed into a prime (1244322307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34564491 + ... + 34564526.

Almost surely, 2^1244322306 is an apocalyptic number.

1244322306 is an abundant number, since it is smaller than the sum of its proper divisors (1451709396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244322306 is a wasteful number, since it uses less digits than its factorization.

1244322306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69129025 (or 69129022 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1244322306 is about 35274.9529553194. The cubic root of 1244322306 is about 1075.5839066153.

Adding to 1244322306 its reverse (6032234421), we get a palindrome (7276556727).

The spelling of 1244322306 in words is "one billion, two hundred forty-four million, three hundred twenty-two thousand, three hundred six".