312228106 has 4 divisors (see below), whose sum is σ = 468342162. Its totient is φ = 156114052.

The previous prime is 312228071. The next prime is 312228143. The reversal of 312228106 is 601822213.

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

It can be written as a sum of positive squares in only one way, i.e., 204919225 + 107308881 = 14315^2 + 10359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78057025 + ... + 78057028.

Almost surely, 2^312228106 is an apocalyptic number.

312228106 is a deficient number, since it is larger than the sum of its proper divisors (156114056).

312228106 is a wasteful number, since it uses less digits than its factorization.

312228106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156114055.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 312228106 is about 17669.9775325267. The cubic root of 312228106 is about 678.4075380123.

The spelling of 312228106 in words is "three hundred twelve million, two hundred twenty-eight thousand, one hundred six".