822418461 has 16 divisors (see below), whose sum is σ = 1224590400. Its totient is φ = 545492304.

The previous prime is 822418447. The next prime is 822418481. The reversal of 822418461 is 164814228.

It is not a de Polignac number, because 822418461 - 2⁶ = 822418397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822418411) 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, 71991 + ... + 82628.

It is an arithmetic number, because the mean of its divisors is an integer number (76536900).

Almost surely, 2^822418461 is an apocalyptic number.

It is an amenable number.

822418461 is a deficient number, since it is larger than the sum of its proper divisors (402171939).

822418461 is a wasteful number, since it uses less digits than its factorization.

822418461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154825 (or 154819 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 822418461 is about 28677.8391968433. The cubic root of 822418461 is about 936.9094443918.

The spelling of 822418461 in words is "eight hundred twenty-two million, four hundred eighteen thousand, four hundred sixty-one".