312222213022 has 8 divisors (see below), whose sum is σ = 468337028400. Its totient is φ = 156109870224.

The previous prime is 312222213013. The next prime is 312222213031. The reversal of 312222213022 is 220312222213.

It is an interprime number because it is at equal distance from previous prime (312222213013) and next prime (312222213031).

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

It is a junction number, because it is equal to n+sod(n) for n = 312222212984 and 312222213002.

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, 261247 + ... + 832282.

It is an arithmetic number, because the mean of its divisors is an integer number (58542128550).

Almost surely, 2^312222213022 is an apocalyptic number.

312222213022 is a deficient number, since it is larger than the sum of its proper divisors (156114815378).

312222213022 is a wasteful number, since it uses less digits than its factorization.

312222213022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236290.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312222213022 its reverse (220312222213), we get a palindrome (532534435235).

The spelling of 312222213022 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred thirteen thousand, twenty-two".