822362740 has 24 divisors (see below), whose sum is σ = 1773637992. Its totient is φ = 320054400.

The previous prime is 822362729. The next prime is 822362747. The reversal of 822362740 is 47263228.

It can be written as a sum of positive squares in 4 ways, for example, as 59166864 + 763195876 = 7692^2 + 27626^2 .

It is a super-2 number, since 2×822362740² = 1352560952280615200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 822362696 and 822362705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822362747) 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, 554911 + ... + 556390.

It is an arithmetic number, because the mean of its divisors is an integer number (73901583).

Almost surely, 2^822362740 is an apocalyptic number.

It is an amenable number.

822362740 is an abundant number, since it is smaller than the sum of its proper divisors (951275252).

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

822362740 is a wasteful number, since it uses less digits than its factorization.

822362740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111347 (or 1111345 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 822362740 is about 28676.8676811119. The cubic root of 822362740 is about 936.8882845595. Note that the first 3 decimals are identical.

The spelling of 822362740 in words is "eight hundred twenty-two million, three hundred sixty-two thousand, seven hundred forty".