822948641 has 8 divisors (see below), whose sum is σ = 830525568. Its totient is φ = 815400000.

The previous prime is 822948619. The next prime is 822948647. The reversal of 822948641 is 146849228.

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

It is not a de Polignac number, because 822948641 - 2²² = 818754337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 822948592 and 822948601.

It is not an unprimeable number, because it can be changed into a prime (822948647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53756 + ... + 67346.

It is an arithmetic number, because the mean of its divisors is an integer number (103815696).

Almost surely, 2^822948641 is an apocalyptic number.

It is an amenable number.

822948641 is a deficient number, since it is larger than the sum of its proper divisors (7576927).

822948641 is a wasteful number, since it uses less digits than its factorization.

822948641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14143.

The product of its digits is 221184, while the sum is 44.

The square root of 822948641 is about 28687.0814304976. The cubic root of 822948641 is about 937.1107303836.

The spelling of 822948641 in words is "eight hundred twenty-two million, nine hundred forty-eight thousand, six hundred forty-one".