1388483226 has 96 divisors (see below), whose sum is σ = 3320291520. Its totient is φ = 416731392.

The previous prime is 1388483221. The next prime is 1388483231. The reversal of 1388483226 is 6223848831.

1388483226 is a `hidden beast` number, since 1 + 388 + 48 + 3 + 226 = 666.

It is an interprime number because it is at equal distance from previous prime (1388483221) and next prime (1388483231).

It is not an unprimeable number, because it can be changed into a prime (1388483221) 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 47 ways as a sum of consecutive naturals, for example, 2250070 + ... + 2250686.

It is an arithmetic number, because the mean of its divisors is an integer number (34586370).

Almost surely, 2^1388483226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1388483226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660145760).

1388483226 is an abundant number, since it is smaller than the sum of its proper divisors (1931808294).

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

1388483226 is a wasteful number, since it uses less digits than its factorization.

1388483226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1388483226 is about 37262.3566887549. The cubic root of 1388483226 is about 1115.6129472511.

The spelling of 1388483226 in words is "one billion, three hundred eighty-eight million, four hundred eighty-three thousand, two hundred twenty-six".