1228325450 has 72 divisors (see below), whose sum is σ = 2598232140. Its totient is φ = 431200000.

The previous prime is 1228325411. The next prime is 1228325467. The reversal of 1228325450 is 545238221.

It can be written as a sum of positive squares in 6 ways, for example, as 410994529 + 817330921 = 20273^2 + 28589^2 .

It is a super-2 number, since 2×1228325450² = 3017566822235405000, which contains 22 as substring.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 171950 + ... + 178950.

Almost surely, 2^1228325450 is an apocalyptic number.

1228325450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228325450 is an abundant number, since it is smaller than the sum of its proper divisors (1369906690).

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

1228325450 is a wasteful number, since it uses less digits than its factorization.

1228325450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064 (or 7048 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1228325450 is about 35047.4742313908. The cubic root of 1228325450 is about 1070.9548206913.

The spelling of 1228325450 in words is "one billion, two hundred twenty-eight million, three hundred twenty-five thousand, four hundred fifty".