1030221300 has 72 divisors (see below), whose sum is σ = 2987614336. Its totient is φ = 274095360.

The previous prime is 1030221299. The next prime is 1030221319. The reversal of 1030221300 is 31220301.

It is a happy number.

It is a super-2 number, since 2×1030221300² = 2122711853947380000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135192 + ... + 142608.

Almost surely, 2^1030221300 is an apocalyptic number.

1030221300 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 1030221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493807168).

1030221300 is an abundant number, since it is smaller than the sum of its proper divisors (1957393036).

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

1030221300 is a wasteful number, since it uses less digits than its factorization.

1030221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897 (or 7890 counting only the distinct ones).

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

The square root of 1030221300 is about 32097.0606130842. The cubic root of 1030221300 is about 1009.9739561301.

Adding to 1030221300 its reverse (31220301), we get a palindrome (1061441601).

Subtracting from 1030221300 its reverse (31220301), we obtain a palindrome (999000999).

The spelling of 1030221300 in words is "one billion, thirty million, two hundred twenty-one thousand, three hundred".