1122022300 has 72 divisors (see below), whose sum is σ = 2789821440. Its totient is φ = 383697600.

The previous prime is 1122022289. The next prime is 1122022309. The reversal of 1122022300 is 32202211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122022309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299841 + ... + 303559.

It is an arithmetic number, because the mean of its divisors is an integer number (38747520).

Almost surely, 2^1122022300 is an apocalyptic number.

1122022300 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 1122022300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394910720).

1122022300 is an abundant number, since it is smaller than the sum of its proper divisors (1667799140).

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

1122022300 is a wasteful number, since it uses less digits than its factorization.

1122022300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1122022300 is about 33496.6013201340. The cubic root of 1122022300 is about 1039.1234910248.

Adding to 1122022300 its reverse (32202211), we get a palindrome (1154224511).

The spelling of 1122022300 in words is "one billion, one hundred twenty-two million, twenty-two thousand, three hundred".