1222023330100 has 36 divisors (see below), whose sum is σ = 2807778314124. Its totient is φ = 460055841280.

The previous prime is 1222023330071. The next prime is 1222023330179. The reversal of 1222023330100 is 10333202221.

It can be written as a sum of positive squares in 6 ways, for example, as 153309836304 + 1068713493796 = 391548^2 + 1033786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359416927 + ... + 359420326.

It is an arithmetic number, because the mean of its divisors is an integer number (77993842059).

Almost surely, 2^{1222023330100} is an apocalyptic number.

1222023330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222023330100 is an abundant number, since it is smaller than the sum of its proper divisors (1585754984024).

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

1222023330100 is a wasteful number, since it uses less digits than its factorization.

1222023330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718837284 (or 718837277 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1222023330100 its reverse (10333202221), we get a palindrome (1232356532321).

The spelling of 1222023330100 in words is "one trillion, two hundred twenty-two billion, twenty-three million, three hundred thirty thousand, one hundred".