312225001 has 16 divisors (see below), whose sum is σ = 346223808. Its totient is φ = 279193600.

The previous prime is 312224993. The next prime is 312225013. The reversal of 312225001 is 100522213.

It is a cyclic number.

It is not a de Polignac number, because 312225001 - 2³ = 312224993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312225041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255945 + ... + 257161.

It is an arithmetic number, because the mean of its divisors is an integer number (21638988).

Almost surely, 2^312225001 is an apocalyptic number.

It is an amenable number.

312225001 is a deficient number, since it is larger than the sum of its proper divisors (33998807).

312225001 is a wasteful number, since it uses less digits than its factorization.

312225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 312225001 is about 17669.8896714156. The cubic root of 312225001 is about 678.4052891624.

Adding to 312225001 its reverse (100522213), we get a palindrome (412747214).

The spelling of 312225001 in words is "three hundred twelve million, two hundred twenty-five thousand, one".