1018225450 has 24 divisors (see below), whose sum is σ = 2066073120. Its totient is φ = 370263600.

The previous prime is 1018225427. The next prime is 1018225501. The reversal of 1018225450 is 545228101.

1018225450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 925110 + ... + 926209.

It is an arithmetic number, because the mean of its divisors is an integer number (86086380).

Almost surely, 2^1018225450 is an apocalyptic number.

1018225450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1018225450 is an abundant number, since it is smaller than the sum of its proper divisors (1047847670).

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

1018225450 is a wasteful number, since it uses less digits than its factorization.

1018225450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851342 (or 1851337 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1018225450 is about 31909.6450936077. The cubic root of 1018225450 is about 1006.0386117689.

The spelling of 1018225450 in words is "one billion, eighteen million, two hundred twenty-five thousand, four hundred fifty".