872222971 has 8 divisors (see below), whose sum is σ = 902347488. Its totient is φ = 842520000.

The previous prime is 872222969. The next prime is 872222977. The reversal of 872222971 is 179222278.

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

It is a cyclic number.

It is not a de Polignac number, because 872222971 - 2¹ = 872222969 is a prime.

It is a super-2 number, since 2×872222971² = 1521545822280133682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872222977) 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, 101175 + ... + 109456.

It is an arithmetic number, because the mean of its divisors is an integer number (112793436).

Almost surely, 2^872222971 is an apocalyptic number.

872222971 is a deficient number, since it is larger than the sum of its proper divisors (30124517).

872222971 is a wasteful number, since it uses less digits than its factorization.

872222971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210773.

The product of its digits is 56448, while the sum is 40.

The square root of 872222971 is about 29533.4212545719. The cubic root of 872222971 is about 955.4526589616.

The spelling of 872222971 in words is "eight hundred seventy-two million, two hundred twenty-two thousand, nine hundred seventy-one".