1000222300 has 216 divisors, whose sum is σ = 2793744800. Its totient is φ = 310464000.

The previous prime is 1000222277. The next prime is 1000222309. The reversal of 1000222300 is 32220001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222309) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4150180 + ... + 4150420.

Almost surely, 2^1000222300 is an apocalyptic number.

1000222300 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 1000222300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396872400).

1000222300 is an abundant number, since it is smaller than the sum of its proper divisors (1793522500).

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

1000222300 is a wasteful number, since it uses less digits than its factorization.

1000222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1000222300 is about 31626.2912779858. The cubic root of 1000222300 is about 1000.0740945099.

Adding to 1000222300 its reverse (32220001), we get a palindrome (1032442301).

The spelling of 1000222300 in words is "one billion, two hundred twenty-two thousand, three hundred".