312223948 has 6 divisors (see below), whose sum is σ = 546391916. Its totient is φ = 156111972.

The previous prime is 312223939. The next prime is 312223949. The reversal of 312223948 is 849322213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312223949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39027990 + ... + 39027997.

Almost surely, 2^312223948 is an apocalyptic number.

It is an amenable number.

312223948 is a deficient number, since it is larger than the sum of its proper divisors (234167968).

312223948 is a wasteful number, since it uses less digits than its factorization.

312223948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78055991 (or 78055989 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 312223948 is about 17669.8598749396. The cubic root of 312223948 is about 678.4045265056.

The spelling of 312223948 in words is "three hundred twelve million, two hundred twenty-three thousand, nine hundred forty-eight".