2222312000 has 56 divisors (see below), whose sum is σ = 5503575480. Its totient is φ = 888921600.

The previous prime is 2222311979. The next prime is 2222312039. The reversal of 2222312000 is 2132222.

It can be written as a sum of positive squares in 4 ways, for example, as 12559936 + 2209752064 = 3544^2 + 47008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130895 + ... + 146894.

Almost surely, 2^2222312000 is an apocalyptic number.

2222312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222312000 is an abundant number, since it is smaller than the sum of its proper divisors (3281263480).

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

2222312000 is an equidigital number, since it uses as much as digits as its factorization.

2222312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277816 (or 277796 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2222312000 is about 47141.4043066178. The cubic root of 2222312000 is about 1304.9734535588.

Adding to 2222312000 its reverse (2132222), we get a palindrome (2224444222).

The spelling of 2222312000 in words is "two billion, two hundred twenty-two million, three hundred twelve thousand".