1222231003320 has 64 divisors (see below), whose sum is σ = 3765792834720. Its totient is φ = 317119394304.

The previous prime is 1222231003289. The next prime is 1222231003321. The reversal of 1222231003320 is 233001322221.

It is a happy number.

It is a super-2 number, since 2×1222231003320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231003321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137634187 + ... + 137643066.

Almost surely, 2^{1222231003320} is an apocalyptic number.

1222231003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222231003320 is an abundant number, since it is smaller than the sum of its proper divisors (2543561831400).

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

1222231003320 is a wasteful number, since it uses less digits than its factorization.

1222231003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275277304 (or 275277300 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1222231003320 its reverse (233001322221), we get a palindrome (1455232325541).

The spelling of 1222231003320 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, three thousand, three hundred twenty".