85041229 has 32 divisors (see below), whose sum is σ = 108652544. Its totient is φ = 64774080.

The previous prime is 85041223. The next prime is 85041241. The reversal of 85041229 is 92214058.

It is not a de Polignac number, because 85041229 - 2⁵ = 85041197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85041229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85041223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402934 + ... + 403144.

It is an arithmetic number, because the mean of its divisors is an integer number (3395392).

Almost surely, 2^85041229 is an apocalyptic number.

It is an amenable number.

85041229 is a deficient number, since it is larger than the sum of its proper divisors (23611315).

85041229 is a wasteful number, since it uses less digits than its factorization.

85041229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 85041229 is about 9221.7801426839. The cubic root of 85041229 is about 439.7540447018.

The spelling of 85041229 in words is "eighty-five million, forty-one thousand, two hundred twenty-nine".