3536222728 has 8 divisors (see below), whose sum is σ = 6630417630. Its totient is φ = 1768111360.

The previous prime is 3536222687. The next prime is 3536222741. The reversal of 3536222728 is 8272226353.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3519099684 + 17123044 = 59322^2 + 4138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221013913 + ... + 221013928.

Almost surely, 2^3536222728 is an apocalyptic number.

It is an amenable number.

3536222728 is a deficient number, since it is larger than the sum of its proper divisors (3094194902).

3536222728 is a wasteful number, since it uses less digits than its factorization.

3536222728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442027847 (or 442027843 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 3536222728 is about 59466.1477481096. The cubic root of 3536222728 is about 1523.5143073311.

The spelling of 3536222728 in words is "three billion, five hundred thirty-six million, two hundred twenty-two thousand, seven hundred twenty-eight".