812480922 has 64 divisors (see below), whose sum is σ = 2033233920. Its totient is φ = 238258800.

The previous prime is 812480863. The next prime is 812480923. The reversal of 812480922 is 229084218.

It is a super-2 number, since 2×812480922² = 1320250497227940168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812480923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3648 + ... + 40475.

It is an arithmetic number, because the mean of its divisors is an integer number (31769280).

Almost surely, 2^812480922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812480922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016616960).

812480922 is an abundant number, since it is smaller than the sum of its proper divisors (1220752998).

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

812480922 is a wasteful number, since it uses less digits than its factorization.

812480922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44176 (or 44170 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 812480922 is about 28504.0509752561. The cubic root of 812480922 is about 933.1204856756.

The spelling of 812480922 in words is "eight hundred twelve million, four hundred eighty thousand, nine hundred twenty-two".