1226738822 has 16 divisors (see below), whose sum is σ = 1882483200. Its totient is φ = 599289288.

The previous prime is 1226738809. The next prime is 1226738827. The reversal of 1226738822 is 2288376221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226738822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226738827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45413 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (117655200).

Almost surely, 2^1226738822 is an apocalyptic number.

1226738822 is a deficient number, since it is larger than the sum of its proper divisors (655744378).

1226738822 is a wasteful number, since it uses less digits than its factorization.

1226738822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22435.

The product of its digits is 129024, while the sum is 41.

The square root of 1226738822 is about 35024.8315056618. The cubic root of 1226738822 is about 1070.4935045549.

The spelling of 1226738822 in words is "one billion, two hundred twenty-six million, seven hundred thirty-eight thousand, eight hundred twenty-two".