822155061 has 64 divisors (see below), whose sum is σ = 1466286080. Its totient is φ = 397509120.

The previous prime is 822155053. The next prime is 822155153. The reversal of 822155061 is 160551228.

It is not a de Polignac number, because 822155061 - 2³ = 822155053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822155021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158241 + ... + 163353.

It is an arithmetic number, because the mean of its divisors is an integer number (22910720).

Almost surely, 2^822155061 is an apocalyptic number.

It is an amenable number.

822155061 is a deficient number, since it is larger than the sum of its proper divisors (644131019).

822155061 is a wasteful number, since it uses less digits than its factorization.

822155061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 822155061 is about 28673.2464328684. The cubic root of 822155061 is about 936.8094108484.

The spelling of 822155061 in words is "eight hundred twenty-two million, one hundred fifty-five thousand, sixty-one".