312265420 has 12 divisors (see below), whose sum is σ = 655757424. Its totient is φ = 124906160.

The previous prime is 312265403. The next prime is 312265463. The reversal of 312265420 is 24562213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7806616 + ... + 7806655.

It is an arithmetic number, because the mean of its divisors is an integer number (54646452).

Almost surely, 2^312265420 is an apocalyptic number.

It is an amenable number.

312265420 is an abundant number, since it is smaller than the sum of its proper divisors (343492004).

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

312265420 is a wasteful number, since it uses less digits than its factorization.

312265420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15613280 (or 15613278 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 312265420 is about 17671.0333597105. The cubic root of 312265420 is about 678.4345621548.

The spelling of 312265420 in words is "three hundred twelve million, two hundred sixty-five thousand, four hundred twenty".