312222302222 has 8 divisors (see below), whose sum is σ = 468335837136. Its totient is φ = 156110356512.

The previous prime is 312222302201. The next prime is 312222302267. The reversal of 312222302222 is 222203222213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312222302222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491783 + ... + 930749.

It is an arithmetic number, because the mean of its divisors is an integer number (58541979642).

Almost surely, 2^312222302222 is an apocalyptic number.

312222302222 is a deficient number, since it is larger than the sum of its proper divisors (156113534914).

312222302222 is a wasteful number, since it uses less digits than its factorization.

312222302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794602.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 312222302222 its reverse (222203222213), we get a palindrome (534425524435).

The spelling of 312222302222 in words is "three hundred twelve billion, two hundred twenty-two million, three hundred two thousand, two hundred twenty-two".