83228869 has 16 divisors (see below), whose sum is σ = 88646400. Its totient is φ = 78011584.

The previous prime is 83228861. The next prime is 83228909. The reversal of 83228869 is 96882238.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83228869 - 2³ = 83228861 is a prime.

It is a super-2 number, since 2×83228869² = 13854089270038322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83228861) 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, 309267 + ... + 309535.

It is an arithmetic number, because the mean of its divisors is an integer number (5540400).

Almost surely, 2^83228869 is an apocalyptic number.

It is an amenable number.

83228869 is a deficient number, since it is larger than the sum of its proper divisors (5417531).

83228869 is a wasteful number, since it uses less digits than its factorization.

83228869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 331776, while the sum is 46.

The square root of 83228869 is about 9122.9857502903. The cubic root of 83228869 is about 436.6076400476.

The spelling of 83228869 in words is "eighty-three million, two hundred twenty-eight thousand, eight hundred sixty-nine".