822481690 has 16 divisors (see below), whose sum is σ = 1558386720. Its totient is φ = 311677200.

The previous prime is 822481657. The next prime is 822481697. The reversal of 822481690 is 96184228.

It is a super-2 number, since 2×822481690² = 1352952260770512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (822481697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164236 + ... + 2164615.

It is an arithmetic number, because the mean of its divisors is an integer number (97399170).

Almost surely, 2^822481690 is an apocalyptic number.

822481690 is a deficient number, since it is larger than the sum of its proper divisors (735905030).

822481690 is a wasteful number, since it uses less digits than its factorization.

822481690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328877.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 822481690 is about 28678.9415774014. The cubic root of 822481690 is about 936.9334542003.

It can be divided in two parts, 82248 and 1690, that added together give a palindrome (83938).

The spelling of 822481690 in words is "eight hundred twenty-two million, four hundred eighty-one thousand, six hundred ninety".