1330221000 has 64 divisors (see below), whose sum is σ = 4150298880. Its totient is φ = 354724800.

The previous prime is 1330220959. The next prime is 1330221017. The reversal of 1330221000 is 1220331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218704 + ... + 224703.

It is an arithmetic number, because the mean of its divisors is an integer number (64848420).

Almost surely, 2^1330221000 is an apocalyptic number.

1330221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330221000 is an abundant number, since it is smaller than the sum of its proper divisors (2820077880).

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

1330221000 is a wasteful number, since it uses less digits than its factorization.

1330221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443431 (or 443417 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1330221000 is about 36472.1948887094. The cubic root of 1330221000 is about 1099.7853575687.

Adding to 1330221000 its reverse (1220331), we get a palindrome (1331441331).

The spelling of 1330221000 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand".