1022112300 has 72 divisors (see below), whose sum is σ = 3226168512. Its totient is φ = 247784000.

The previous prime is 1022112271. The next prime is 1022112307. The reversal of 1022112300 is 32112201.

1022112300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022112300² = 2089427107622580000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1022112307) 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, 151566 + ... + 158165.

It is an arithmetic number, because the mean of its divisors is an integer number (44807896).

Almost surely, 2^1022112300 is an apocalyptic number.

1022112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022112300 is an abundant number, since it is smaller than the sum of its proper divisors (2204056212).

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

1022112300 is a wasteful number, since it uses less digits than its factorization.

1022112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309759 (or 309752 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1022112300 is about 31970.4910816209. The cubic root of 1022112300 is about 1007.3170961846.

Adding to 1022112300 its reverse (32112201), we get a palindrome (1054224501).

Subtracting from 1022112300 its reverse (32112201), we obtain a palindrome (990000099).

The spelling of 1022112300 in words is "one billion, twenty-two million, one hundred twelve thousand, three hundred".