1022273871 has 8 divisors (see below), whose sum is σ = 1363689600. Its totient is φ = 681187032.

The previous prime is 1022273839. The next prime is 1022273909. The reversal of 1022273871 is 1783722201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022273871 - 2⁵ = 1022273839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022273821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74875 + ... + 87468.

It is an arithmetic number, because the mean of its divisors is an integer number (170461200).

Almost surely, 2^1022273871 is an apocalyptic number.

1022273871 is a deficient number, since it is larger than the sum of its proper divisors (341415729).

1022273871 is a wasteful number, since it uses less digits than its factorization.

1022273871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164445.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1022273871 is about 31973.0178588134. The cubic root of 1022273871 is about 1007.3701708012.

The spelling of 1022273871 in words is "one billion, twenty-two million, two hundred seventy-three thousand, eight hundred seventy-one".