2122230312 has 48 divisors (see below), whose sum is σ = 5903057940. Its totient is φ = 688290048.

The previous prime is 2122230307. The next prime is 2122230323. The reversal of 2122230312 is 2130322212.

2122230312 is a `hidden beast` number, since 2 + 122 + 230 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1829615076 + 292615236 = 42774^2 + 17106^2 .

It is a super-2 number, since 2×2122230312² = 9007722994343234688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 395653 + ... + 400980.

Almost surely, 2^2122230312 is an apocalyptic number.

It is an amenable number.

2122230312 is an abundant number, since it is smaller than the sum of its proper divisors (3780827628).

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

2122230312 is a wasteful number, since it uses less digits than its factorization.

2122230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796682 (or 796675 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2122230312 is about 46067.6710069003. The cubic root of 2122230312 is about 1285.0819918714.

Adding to 2122230312 its reverse (2130322212), we get a palindrome (4252552524).

The spelling of 2122230312 in words is "two billion, one hundred twenty-two million, two hundred thirty thousand, three hundred twelve".