312052222 has 4 divisors (see below), whose sum is σ = 468078336. Its totient is φ = 156026110.

The previous prime is 312052211. The next prime is 312052241. The reversal of 312052222 is 222250213.

312052222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312052222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78013054 + ... + 78013057.

It is an arithmetic number, because the mean of its divisors is an integer number (117019584).

Almost surely, 2^312052222 is an apocalyptic number.

312052222 is a deficient number, since it is larger than the sum of its proper divisors (156026114).

312052222 is a wasteful number, since it uses less digits than its factorization.

312052222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156026113.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 312052222 is about 17664.9999150863. Note that the first 4 decimals coincide. The cubic root of 312052222 is about 678.2801274841.

The spelling of 312052222 in words is "three hundred twelve million, fifty-two thousand, two hundred twenty-two".