822946272 has 48 divisors (see below), whose sum is σ = 2174033232. Its totient is φ = 272563200.

The previous prime is 822946261. The next prime is 822946277. The reversal of 822946272 is 272649228.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822946277) 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, 12229 + ... + 42372.

It is an arithmetic number, because the mean of its divisors is an integer number (45292359).

Almost surely, 2^822946272 is an apocalyptic number.

It is an amenable number.

822946272 is an abundant number, since it is smaller than the sum of its proper divisors (1351086960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822946272 is a wasteful number, since it uses less digits than its factorization.

822946272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54771 (or 54763 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 822946272 is about 28687.0401401051. The cubic root of 822946272 is about 937.1098311709.

The spelling of 822946272 in words is "eight hundred twenty-two million, nine hundred forty-six thousand, two hundred seventy-two".