2232312220 has 12 divisors (see below), whose sum is σ = 4687855704. Its totient is φ = 892924880.

The previous prime is 2232312197. The next prime is 2232312227. The reversal of 2232312220 is 222132322.

It is a super-3 number, since 3×2232312220³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232312227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55807786 + ... + 55807825.

It is an arithmetic number, because the mean of its divisors is an integer number (390654642).

Almost surely, 2^2232312220 is an apocalyptic number.

2232312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2232312220 is an abundant number, since it is smaller than the sum of its proper divisors (2455543484).

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

2232312220 is a wasteful number, since it uses less digits than its factorization.

2232312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111615620 (or 111615618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2232312220 is about 47247.3514601612. The cubic root of 2232312220 is about 1306.9279489593.

Adding to 2232312220 its reverse (222132322), we get a palindrome (2454444542).

It can be divided in two parts, 22323 and 12220, that added together give a palindrome (34543).

The spelling of 2232312220 in words is "two billion, two hundred thirty-two million, three hundred twelve thousand, two hundred twenty".