1228353696 has 72 divisors (see below), whose sum is σ = 3613608180. Its totient is φ = 395329536.

The previous prime is 1228353689. The next prime is 1228353701. The reversal of 1228353696 is 6963538221.

1228353696 is a `hidden beast` number, since 1 + 2 + 28 + 3 + 536 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1172103696 + 56250000 = 34236^2 + 7500^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65185 + ... + 81888.

Almost surely, 2^1228353696 is an apocalyptic number.

1228353696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1228353696 is an abundant number, since it is smaller than the sum of its proper divisors (2385254484).

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

1228353696 is a wasteful number, since it uses less digits than its factorization.

1228353696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147118 (or 147107 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1228353696 is about 35047.8771967718. The cubic root of 1228353696 is about 1070.9630296878.

The spelling of 1228353696 in words is "one billion, two hundred twenty-eight million, three hundred fifty-three thousand, six hundred ninety-six".