3238226388 has 18 divisors (see below), whose sum is σ = 8185516794. Its totient is φ = 1079408784.

The previous prime is 3238226377. The next prime is 3238226389. The reversal of 3238226388 is 8836228323.

3238226388 is a `hidden beast` number, since 3 + 2 + 3 + 8 + 2 + 2 + 638 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2220105924 + 1018120464 = 47118^2 + 31908^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3238226388² = 20972220279879053088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238226389) 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 5 ways as a sum of consecutive naturals, for example, 44975331 + ... + 44975402.

It is an arithmetic number, because the mean of its divisors is an integer number (454750933).

Almost surely, 2^3238226388 is an apocalyptic number.

It is an amenable number.

3238226388 is an abundant number, since it is smaller than the sum of its proper divisors (4947290406).

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

3238226388 is a wasteful number, since it uses less digits than its factorization.

3238226388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89950743 (or 89950738 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 3238226388 is about 56905.4161569881. The cubic root of 3238226388 is about 1479.4571889368.

The spelling of 3238226388 in words is "three billion, two hundred thirty-eight million, two hundred twenty-six thousand, three hundred eighty-eight".