818083822 has 4 divisors (see below), whose sum is σ = 1227125736. Its totient is φ = 409041910.

The previous prime is 818083813. The next prime is 818083829. The reversal of 818083822 is 228380818.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228380818 = 2 ⋅114190409.

It is a super-2 number, since 2×818083822² = 1338522279636255368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818083829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204520954 + ... + 204520957.

It is an arithmetic number, because the mean of its divisors is an integer number (306781434).

Almost surely, 2^818083822 is an apocalyptic number.

818083822 is a deficient number, since it is larger than the sum of its proper divisors (409041914).

818083822 is a wasteful number, since it uses less digits than its factorization.

818083822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409041913.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 818083822 is about 28602.1646383626. The cubic root of 818083822 is about 935.2605189765.

The spelling of 818083822 in words is "eight hundred eighteen million, eighty-three thousand, eight hundred twenty-two".