83812227 has 16 divisors (see below), whose sum is σ = 118599552. Its totient is φ = 52465280.

The previous prime is 83812219. The next prime is 83812229. The reversal of 83812227 is 72221838.

It is a cyclic number.

It is not a de Polignac number, because 83812227 - 2³ = 83812219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83812229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23368 + ... + 26714.

It is an arithmetic number, because the mean of its divisors is an integer number (7412472).

Almost surely, 2^83812227 is an apocalyptic number.

83812227 is a deficient number, since it is larger than the sum of its proper divisors (34787325).

83812227 is a wasteful number, since it uses less digits than its factorization.

83812227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858.

The product of its digits is 10752, while the sum is 33.

The square root of 83812227 is about 9154.9018017672. The cubic root of 83812227 is about 437.6253389999.

The spelling of 83812227 in words is "eighty-three million, eight hundred twelve thousand, two hundred twenty-seven".