312002022 has 16 divisors (see below), whose sum is σ = 625280832. Its totient is φ = 103787880.

The previous prime is 312001999. The next prime is 312002051. The reversal of 312002022 is 220200213.

It is a junction number, because it is equal to n+sod(n) for n = 312001989 and 312002007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50008 + ... + 55899.

It is an arithmetic number, because the mean of its divisors is an integer number (39080052).

Almost surely, 2^312002022 is an apocalyptic number.

312002022 is an abundant number, since it is smaller than the sum of its proper divisors (313278810).

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

312002022 is a wasteful number, since it uses less digits than its factorization.

312002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106403.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 312002022 is about 17663.5789691670. The cubic root of 312002022 is about 678.2437537769.

Adding to 312002022 its reverse (220200213), we get a palindrome (532202235).

The spelling of 312002022 in words is "three hundred twelve million, two thousand, twenty-two".