822020961 has 16 divisors (see below), whose sum is σ = 1117376064. Its totient is φ = 537437184.

The previous prime is 822020951. The next prime is 822020963. The reversal of 822020961 is 169020228.

It is not a de Polignac number, because 822020961 - 2¹⁴ = 822004577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822020963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22065 + ... + 46161.

It is an arithmetic number, because the mean of its divisors is an integer number (69836004).

Almost surely, 2^822020961 is an apocalyptic number.

It is an amenable number.

822020961 is a deficient number, since it is larger than the sum of its proper divisors (295355103).

822020961 is a wasteful number, since it uses less digits than its factorization.

822020961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 822020961 is about 28670.9079207478. The cubic root of 822020961 is about 936.7584744015.

The spelling of 822020961 in words is "eight hundred twenty-two million, twenty thousand, nine hundred sixty-one".