83445229 has 4 divisors (see below), whose sum is σ = 95365984. Its totient is φ = 71524476.

The previous prime is 83445227. The next prime is 83445239. The reversal of 83445229 is 92254438.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92254438 = 2 ⋅46127219.

It is a cyclic number.

It is not a de Polignac number, because 83445229 - 2¹ = 83445227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83445227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960367 + ... + 5960380.

It is an arithmetic number, because the mean of its divisors is an integer number (23841496).

Almost surely, 2^83445229 is an apocalyptic number.

It is an amenable number.

83445229 is a deficient number, since it is larger than the sum of its proper divisors (11920755).

83445229 is a wasteful number, since it uses less digits than its factorization.

83445229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920754.

The product of its digits is 69120, while the sum is 37.

The square root of 83445229 is about 9134.8360138538. The cubic root of 83445229 is about 436.9856446680.

The spelling of 83445229 in words is "eighty-three million, four hundred forty-five thousand, two hundred twenty-nine".