83226818 has 4 divisors (see below), whose sum is σ = 124840230. Its totient is φ = 41613408.

The previous prime is 83226817. The next prime is 83226827. The reversal of 83226818 is 81862238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81862238 = 2 ⋅40931119.

It can be written as a sum of positive squares in only one way, i.e., 73222249 + 10004569 = 8557^2 + 3163^2 .

It is not an unprimeable number, because it can be changed into a prime (83226817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20806703 + ... + 20806706.

Almost surely, 2^83226818 is an apocalyptic number.

83226818 is a deficient number, since it is larger than the sum of its proper divisors (41613412).

83226818 is a wasteful number, since it uses less digits than its factorization.

83226818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41613411.

The product of its digits is 36864, while the sum is 38.

The square root of 83226818 is about 9122.8733412231. The cubic root of 83226818 is about 436.6040535932.

The spelling of 83226818 in words is "eighty-three million, two hundred twenty-six thousand, eight hundred eighteen".