1673222671 has 4 divisors (see below), whose sum is σ = 1771647552. Its totient is φ = 1574797792.

The previous prime is 1673222651. The next prime is 1673222687. The reversal of 1673222671 is 1762223761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1673222671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1673222671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673222651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49212415 + ... + 49212448.

It is an arithmetic number, because the mean of its divisors is an integer number (442911888).

Almost surely, 2^1673222671 is an apocalyptic number.

1673222671 is a deficient number, since it is larger than the sum of its proper divisors (98424881).

1673222671 is an equidigital number, since it uses as much as digits as its factorization.

1673222671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98424880.

The product of its digits is 42336, while the sum is 37.

The square root of 1673222671 is about 40905.0445666546. The cubic root of 1673222671 is about 1187.1836680739.

The spelling of 1673222671 in words is "one billion, six hundred seventy-three million, two hundred twenty-two thousand, six hundred seventy-one".