671495022 has 112 divisors (see below), whose sum is σ = 1664420400. Its totient is φ = 201398400.

The previous prime is 671495003. The next prime is 671495039. The reversal of 671495022 is 220594176.

671495022 is a `hidden beast` number, since 6 + 7 + 149 + 502 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2389522 + ... + 2389802.

Almost surely, 2^671495022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671495022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832210200).

671495022 is an abundant number, since it is smaller than the sum of its proper divisors (992925378).

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

671495022 is a wasteful number, since it uses less digits than its factorization.

671495022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 671495022 is about 25913.2209885224. The cubic root of 671495022 is about 875.6843721233.

The spelling of 671495022 in words is "six hundred seventy-one million, four hundred ninety-five thousand, twenty-two".