312228434 has 8 divisors (see below), whose sum is σ = 535248768. Its totient is φ = 133812180.

The previous prime is 312228431. The next prime is 312228467. The reversal of 312228434 is 434822213.

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 = 312228397 and 312228406.

It is not an unprimeable number, because it can be changed into a prime (312228431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11151002 + ... + 11151029.

It is an arithmetic number, because the mean of its divisors is an integer number (66906096).

Almost surely, 2^312228434 is an apocalyptic number.

312228434 is a deficient number, since it is larger than the sum of its proper divisors (223020334).

312228434 is a wasteful number, since it uses less digits than its factorization.

312228434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302040.

The product of its digits is 9216, while the sum is 29.

The square root of 312228434 is about 17669.9868138038. The cubic root of 312228434 is about 678.4077755711.

The spelling of 312228434 in words is "three hundred twelve million, two hundred twenty-eight thousand, four hundred thirty-four".