2312220100 has 36 divisors (see below), whose sum is σ = 5040066304. Its totient is φ = 920731680.

The previous prime is 2312220091. The next prime is 2312220101. The reversal of 2312220100 is 10222132.

It is not an unprimeable number, because it can be changed into a prime (2312220101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29544 + ... + 74143.

Almost surely, 2^2312220100 is an apocalyptic number.

2312220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312220100 is an abundant number, since it is smaller than the sum of its proper divisors (2727846204).

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

2312220100 is a wasteful number, since it uses less digits than its factorization.

2312220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103924 (or 103917 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2312220100 is about 48085.5498044891. The cubic root of 2312220100 is about 1322.3397628196.

Adding to 2312220100 its reverse (10222132), we get a palindrome (2322442232).

The spelling of 2312220100 in words is "two billion, three hundred twelve million, two hundred twenty thousand, one hundred".