312228941 has 4 divisors (see below), whose sum is σ = 312500892. Its totient is φ = 311956992.

The previous prime is 312228929. The next prime is 312228949. The reversal of 312228941 is 149822213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98922916 + 213306025 = 9946^2 + 14605^2 .

It is a cyclic number.

It is not a de Polignac number, because 312228941 - 2¹⁸ = 311966797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312228898 and 312228907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312228949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134246 + ... + 136551.

It is an arithmetic number, because the mean of its divisors is an integer number (78125223).

Almost surely, 2^312228941 is an apocalyptic number.

It is an amenable number.

312228941 is a deficient number, since it is larger than the sum of its proper divisors (271951).

312228941 is a wasteful number, since it uses less digits than its factorization.

312228941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271950.

The product of its digits is 6912, while the sum is 32.

The square root of 312228941 is about 17670.0011601584. The cubic root of 312228941 is about 678.4081427729.

The spelling of 312228941 in words is "three hundred twelve million, two hundred twenty-eight thousand, nine hundred forty-one".