1303222212 has 18 divisors (see below), whose sum is σ = 3294256238. Its totient is φ = 434407392.

The previous prime is 1303222211. The next prime is 1303222231. The reversal of 1303222212 is 2122223031.

1303222212 is a `hidden beast` number, since 130 + 322 + 2 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1111288896 + 191933316 = 33336^2 + 13854^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1303222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18100273 + ... + 18100344.

Almost surely, 2^1303222212 is an apocalyptic number.

1303222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303222212 is an abundant number, since it is smaller than the sum of its proper divisors (1991034026).

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

1303222212 is a wasteful number, since it uses less digits than its factorization.

1303222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36200627 (or 36200622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1303222212 is about 36100.1691408780. The cubic root of 1303222212 is about 1092.2938568337.

Adding to 1303222212 its reverse (2122223031), we get a palindrome (3425445243).

The spelling of 1303222212 in words is "one billion, three hundred three million, two hundred twenty-two thousand, two hundred twelve".