1222000306 has 16 divisors (see below), whose sum is σ = 1857590784. Its totient is φ = 602852544.

The previous prime is 1222000303. The next prime is 1222000319. The reversal of 1222000306 is 6030002221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222000306.

It is not an unprimeable number, because it can be changed into a prime (1222000303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38275 + ... + 62521.

It is an arithmetic number, because the mean of its divisors is an integer number (116099424).

Almost surely, 2^1222000306 is an apocalyptic number.

1222000306 is a deficient number, since it is larger than the sum of its proper divisors (635590478).

1222000306 is a wasteful number, since it uses less digits than its factorization.

1222000306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24585.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1222000306 is about 34957.1209626880. The cubic root of 1222000306 is about 1069.1133966363.

Adding to 1222000306 its reverse (6030002221), we get a palindrome (7252002527).

The spelling of 1222000306 in words is "one billion, two hundred twenty-two million, three hundred six", and thus it is an aban number.