1222223233100 has 72 divisors (see below), whose sum is σ = 2828441311920. Its totient is φ = 456820715520.

The previous prime is 1222223233067. The next prime is 1222223233123. The reversal of 1222223233100 is 13323222221.

It is a super-2 number, since 2×1222223233100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2349869 + ... + 2822468.

It is an arithmetic number, because the mean of its divisors is an integer number (39283907110).

Almost surely, 2^{1222223233100} is an apocalyptic number.

1222223233100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222223233100 is an abundant number, since it is smaller than the sum of its proper divisors (1606218078820).

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

1222223233100 is a wasteful number, since it uses less digits than its factorization.

1222223233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172507 (or 5172500 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1222223233100 its reverse (13323222221), we get a palindrome (1235546455321).

The spelling of 1222223233100 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, two hundred thirty-three thousand, one hundred".