812244498 has 64 divisors (see below), whose sum is σ = 1803658752. Its totient is φ = 242231040.

The previous prime is 812244497. The next prime is 812244523. The reversal of 812244498 is 894442218.

It is a super-2 number, since 2×812244498² = 1319482249062544008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812244491) 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, 1243540 + ... + 1244192.

It is an arithmetic number, because the mean of its divisors is an integer number (28182168).

Almost surely, 2^812244498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812244498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901829376).

812244498 is an abundant number, since it is smaller than the sum of its proper divisors (991414254).

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

812244498 is a wasteful number, since it uses less digits than its factorization.

812244498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its digits is 147456, while the sum is 42.

The square root of 812244498 is about 28499.9034735207. The cubic root of 812244498 is about 933.0299672507.

The spelling of 812244498 in words is "eight hundred twelve million, two hundred forty-four thousand, four hundred ninety-eight".