1228324698 has 24 divisors (see below), whose sum is σ = 2817922068. Its totient is φ = 385356672.

The previous prime is 1228324693. The next prime is 1228324733. The reversal of 1228324698 is 8964238221.

It can be written as a sum of positive squares in 2 ways, for example, as 1200414609 + 27910089 = 34647^2 + 5283^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1228324693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2006761 + ... + 2007372.

Almost surely, 2^1228324698 is an apocalyptic number.

1228324698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1228324698 is an abundant number, since it is smaller than the sum of its proper divisors (1589597370).

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

1228324698 is a wasteful number, since it uses less digits than its factorization.

1228324698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014158 (or 4014155 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1228324698 is about 35047.4635030839. The cubic root of 1228324698 is about 1070.9546021395.

The spelling of 1228324698 in words is "one billion, two hundred twenty-eight million, three hundred twenty-four thousand, six hundred ninety-eight".