1030221192 has 512 divisors, whose sum is σ = 3799756800. Its totient is φ = 223948800.

The previous prime is 1030221167. The next prime is 1030221263. The reversal of 1030221192 is 2911220301.

It is a super-2 number, since 2×1030221192² = 2122711408891801728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16888842 + ... + 16888902.

It is an arithmetic number, because the mean of its divisors is an integer number (7421400).

Almost surely, 2^1030221192 is an apocalyptic number.

1030221192 is a gapful number since it is divisible by the number (12) 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 1030221192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899878400).

1030221192 is an abundant number, since it is smaller than the sum of its proper divisors (2769535608).

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

1030221192 is a wasteful number, since it uses less digits than its factorization.

1030221192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1030221192 is about 32097.0589306871. The cubic root of 1030221192 is about 1009.9739208376.

Adding to 1030221192 its reverse (2911220301), we get a palindrome (3941441493).

It can be divided in two parts, 1030 and 221192, that added together give a palindrome (222222).

The spelling of 1030221192 in words is "one billion, thirty million, two hundred twenty-one thousand, one hundred ninety-two".