818535022 has 4 divisors (see below), whose sum is σ = 1227802536. Its totient is φ = 409267510.

The previous prime is 818535019. The next prime is 818535031. The reversal of 818535022 is 220535818.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220535818 = 2 ⋅110267909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204633754 + ... + 204633757.

It is an arithmetic number, because the mean of its divisors is an integer number (306950634).

Almost surely, 2^818535022 is an apocalyptic number.

818535022 is a deficient number, since it is larger than the sum of its proper divisors (409267514).

818535022 is a wasteful number, since it uses less digits than its factorization.

818535022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409267513.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 818535022 is about 28610.0510660152. The cubic root of 818535022 is about 935.4324296366.

The spelling of 818535022 in words is "eight hundred eighteen million, five hundred thirty-five thousand, twenty-two".