1222331300 has 18 divisors (see below), whose sum is σ = 2652459138. Its totient is φ = 488932480.

The previous prime is 1222331293. The next prime is 1222331309. The reversal of 1222331300 is 31332221.

It can be written as a sum of positive squares in 3 ways, for example, as 180203776 + 1042127524 = 13424^2 + 32282^2 .

It is not an unprimeable number, because it can be changed into a prime (1222331309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6111557 + ... + 6111756.

It is an arithmetic number, because the mean of its divisors is an integer number (147358841).

Almost surely, 2^1222331300 is an apocalyptic number.

1222331300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222331300 is an abundant number, since it is smaller than the sum of its proper divisors (1430127838).

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

1222331300 is a wasteful number, since it uses less digits than its factorization.

1222331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223327 (or 12223320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1222331300 is about 34961.8549279068. The cubic root of 1222331300 is about 1069.2099154813.

Adding to 1222331300 its reverse (31332221), we get a palindrome (1253663521).

The spelling of 1222331300 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, three hundred".