1082227840 has 128 divisors (see below), whose sum is σ = 2769912000. Its totient is φ = 403107840.

The previous prime is 1082227777. The next prime is 1082227849. The reversal of 1082227840 is 487222801.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1082227796 and 1082227805.

It is not an unprimeable number, because it can be changed into a prime (1082227849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741031 + ... + 742489.

Almost surely, 2^1082227840 is an apocalyptic number.

1082227840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384956000).

1082227840 is an abundant number, since it is smaller than the sum of its proper divisors (1687684160).

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

1082227840 is a wasteful number, since it uses less digits than its factorization.

1082227840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 1082227840 is about 32897.2314944586. The cubic root of 1082227840 is about 1026.6905562178.

The spelling of 1082227840 in words is "one billion, eighty-two million, two hundred twenty-seven thousand, eight hundred forty".