312226434 has 32 divisors (see below), whose sum is σ = 747210240. Its totient is φ = 96069456.

The previous prime is 312226433. The next prime is 312226457. The reversal of 312226434 is 434622213.

312226434 is a `hidden beast` number, since 3 + 1 + 2 + 226 + 434 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312226398 and 312226407.

It is not an unprimeable number, because it can be changed into a prime (312226433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221682 + ... + 223085.

It is an arithmetic number, because the mean of its divisors is an integer number (23350320).

Almost surely, 2^312226434 is an apocalyptic number.

312226434 is an abundant number, since it is smaller than the sum of its proper divisors (434983806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312226434 is a wasteful number, since it uses less digits than its factorization.

312226434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444791 (or 444785 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 312226434 is about 17669.9302205753. The cubic root of 312226434 is about 678.4063270393.

Adding to 312226434 its reverse (434622213), we get a palindrome (746848647).

The spelling of 312226434 in words is "three hundred twelve million, two hundred twenty-six thousand, four hundred thirty-four".