1083221412 has 48 divisors (see below), whose sum is σ = 3110792832. Its totient is φ = 285684480.

The previous prime is 1083221411. The next prime is 1083221423. The reversal of 1083221412 is 2141223801.

It is not an unprimeable number, because it can be changed into a prime (1083221411) 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, 494889 + ... + 497072.

It is an arithmetic number, because the mean of its divisors is an integer number (64808184).

Almost surely, 2^1083221412 is an apocalyptic number.

1083221412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1083221412 is an abundant number, since it is smaller than the sum of its proper divisors (2027571420).

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

1083221412 is a wasteful number, since it uses less digits than its factorization.

1083221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991988 (or 991986 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1083221412 is about 32912.3291791997. The cubic root of 1083221412 is about 1027.0046548871.

The spelling of 1083221412 in words is "one billion, eighty-three million, two hundred twenty-one thousand, four hundred twelve".